43364420 has 48 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 15697920.

The previous prime is 43364417. The next prime is 43364423. The reversal of 43364420 is 2446334.

It is an interprime number because it is at equal distance from previous prime (43364417) and next prime (43364423).

It is a self number, because there is not a number n which added to its sum of digits gives 43364420.

It is not an unprimeable number, because it can be changed into a prime (43364423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96356 + ... + 96804.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^43364420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43364420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49896000).

43364420 is an abundant number, since it is smaller than the sum of its proper divisors (56427580).

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

43364420 is a wasteful number, since it uses less digits than its factorization.

43364420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 43364420 is about 6585.1666645575. The cubic root of 43364420 is about 351.3267196475.

It can be divided in two parts, 43 and 364420, that added together give a palindrome (364463).

The spelling of 43364420 in words is "forty-three million, three hundred sixty-four thousand, four hundred twenty".