38897504 has 24 divisors (see below), whose sum is σ = 77838768. Its totient is φ = 19128960.

The previous prime is 38897491. The next prime is 38897519. The reversal of 38897504 is 40579883.

38897504 = 367² + 368² + ... + 549².

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, 8012 + ... + 11915.

It is an arithmetic number, because the mean of its divisors is an integer number (3243282).

Almost surely, 2^38897504 is an apocalyptic number.

It is an amenable number.

38897504 is an abundant number, since it is smaller than the sum of its proper divisors (38941264).

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

38897504 is a wasteful number, since it uses less digits than its factorization.

38897504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19998 (or 19990 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 38897504 is about 6236.7863519604. The cubic root of 38897504 is about 338.8238019507.

The spelling of 38897504 in words is "thirty-eight million, eight hundred ninety-seven thousand, five hundred four".