43426616 has 16 divisors (see below), whose sum is σ = 82456800. Its totient is φ = 21438144.

The previous prime is 43426589. The next prime is 43426627. The reversal of 43426616 is 61662434.

It is a super-2 number, since 2×43426616² = 3771741954422912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33725 + ... + 34988.

It is an arithmetic number, because the mean of its divisors is an integer number (5153550).

Almost surely, 2^43426616 is an apocalyptic number.

It is an amenable number.

43426616 is a deficient number, since it is larger than the sum of its proper divisors (39030184).

43426616 is a wasteful number, since it uses less digits than its factorization.

43426616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68798 (or 68794 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 43426616 is about 6589.8874041974. The cubic root of 43426616 is about 351.4946044266.

The spelling of 43426616 in words is "forty-three million, four hundred twenty-six thousand, six hundred sixteen".