43434 has 24 divisors (see below), whose sum is σ = 99840. Its totient is φ = 13608.

The previous prime is 43427. The next prime is 43441.

43434 is nontrivially palindromic in base 10.

43434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

43434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (43427) and next prime (43441).

It is a super-3 number, since 3×43434³ = 245816333011512, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 4⁶ + 3² + 4⁷ + 3⁸ + 4⁷ .

It is an alternating number because its digits alternate between even and odd.

43434 is an undulating number in base 10.

It is a Curzon number.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (4160).

2⁴³⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49920).

43434 is an abundant number, since it is smaller than the sum of its proper divisors (56406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43434 is a wasteful number, since it uses less digits than its factorization.

43434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 151 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 43434 is about 208.4082531955. The cubic root of 43434 is about 35.1514525305.

The spelling of 43434 in words is "forty-three thousand, four hundred thirty-four".