43424628 has 24 divisors (see below), whose sum is σ = 109118688. Its totient is φ = 13361376.

The previous prime is 43424611. The next prime is 43424639. The reversal of 43424628 is 82642434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139026 + ... + 139337.

It is an arithmetic number, because the mean of its divisors is an integer number (4546612).

Almost surely, 2^43424628 is an apocalyptic number.

It is an amenable number.

43424628 is an abundant number, since it is smaller than the sum of its proper divisors (65694060).

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

43424628 is a wasteful number, since it uses less digits than its factorization.

43424628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278383 (or 278381 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 43424628 is about 6589.7365652961. The cubic root of 43424628 is about 351.4892407273.

The spelling of 43424628 in words is "forty-three million, four hundred twenty-four thousand, six hundred twenty-eight".