38997600 has 72 divisors (see below), whose sum is σ = 126945000. Its totient is φ = 10398720.

The previous prime is 38997599. The next prime is 38997631. The reversal of 38997600 is 679983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5725 + ... + 10524.

It is an arithmetic number, because the mean of its divisors is an integer number (1763125).

Almost surely, 2^38997600 is an apocalyptic number.

38997600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38997600 is an abundant number, since it is smaller than the sum of its proper divisors (87947400).

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

38997600 is a wasteful number, since it uses less digits than its factorization.

38997600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272 (or 16259 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 38997600 is about 6244.8058416575. The cubic root of 38997600 is about 339.1141878276.

The spelling of 38997600 in words is "thirty-eight million, nine hundred ninety-seven thousand, six hundred".