38726920 has 16 divisors (see below), whose sum is σ = 87135660. Its totient is φ = 15490752.

The previous prime is 38726911. The next prime is 38726923. The reversal of 38726920 is 2962783.

It can be written as a sum of positive squares in 2 ways, for example, as 38217124 + 509796 = 6182^2 + 714^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38726920.

It is not an unprimeable number, because it can be changed into a prime (38726923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484047 + ... + 484126.

Almost surely, 2^38726920 is an apocalyptic number.

It is an amenable number.

38726920 is an abundant number, since it is smaller than the sum of its proper divisors (48408740).

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

38726920 is a wasteful number, since it uses less digits than its factorization.

38726920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968184 (or 968180 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 38726920 is about 6223.0956926597. The cubic root of 38726920 is about 338.3277751250.

The spelling of 38726920 in words is "thirty-eight million, seven hundred twenty-six thousand, nine hundred twenty".