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434 = 2731

434 has 8 divisors (see below), whose sum is σ = 768. Its totient is φ = 180.

The previous prime is 433. The next prime is 439.

434 is nontrivially palindromic in base 6 and base 10.

434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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

It is a house number.

434 is an undulating number in base 10.

It is a plaindrome in base 15.

It is a nialpdrome in base 8 and base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 29.

It is an arithmetic number, because the mean of its divisors is an integer number (96).

2434 is an apocalyptic number.

434 is a deficient number, since it is larger than the sum of its proper divisors (334).

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

434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40.

The product of its digits is 48, while the sum is 11.

The square root of 434 is about 20.8326666560. The cubic root of 434 is about 7.5711742782.

The spelling of 434 in words is "four hundred thirty-four", and is thus an aban number.

Divisors: 1 2 7 14 31 62 217 434