38043620 has 24 divisors (see below), whose sum is σ = 84591864. Its totient is φ = 14322176.

The previous prime is 38043601. The next prime is 38043623. The reversal of 38043620 is 2634083.

It can be written as a sum of positive squares in 4 ways, for example, as 8797156 + 29246464 = 2966^2 + 5408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38043620.

It is not an unprimeable number, because it can be changed into a prime (38043623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55607 + ... + 56286.

It is an arithmetic number, because the mean of its divisors is an integer number (3524661).

Almost surely, 2^38043620 is an apocalyptic number.

It is an amenable number.

38043620 is an abundant number, since it is smaller than the sum of its proper divisors (46548244).

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

38043620 is a wasteful number, since it uses less digits than its factorization.

38043620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111919 (or 111917 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 38043620 is about 6167.9510374192. The cubic root of 38043620 is about 336.3261312854.

The spelling of 38043620 in words is "thirty-eight million, forty-three thousand, six hundred twenty".