38825538 has 16 divisors (see below), whose sum is σ = 78524640. Its totient is φ = 12796256.

The previous prime is 38825509. The next prime is 38825539. The reversal of 38825538 is 83552883.

It is a self number, because there is not a number n which added to its sum of digits gives 38825538.

It is not an unprimeable number, because it can be changed into a prime (38825539) 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, 35820 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (4907790).

Almost surely, 2^38825538 is an apocalyptic number.

38825538 is an abundant number, since it is smaller than the sum of its proper divisors (39699102).

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

38825538 is a wasteful number, since it uses less digits than its factorization.

38825538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72801.

The product of its digits is 230400, while the sum is 42.

The square root of 38825538 is about 6231.0142031615. The cubic root of 38825538 is about 338.6147152953.

The spelling of 38825538 in words is "thirty-eight million, eight hundred twenty-five thousand, five hundred thirty-eight".