38972700 has 108 divisors (see below), whose sum is σ = 131594008. Its totient is φ = 9590400.

The previous prime is 38972699. The next prime is 38972711. The reversal of 38972700 is 727983.

38972700 is a `hidden beast` number, since 389 + 7 + 270 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10035 + ... + 13365.

Almost surely, 2^38972700 is an apocalyptic number.

38972700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38972700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65797004).

38972700 is an abundant number, since it is smaller than the sum of its proper divisors (92621308).

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

38972700 is a wasteful number, since it uses less digits than its factorization.

38972700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 38972700 is about 6242.8118664589. The cubic root of 38972700 is about 339.0419975640.

The spelling of 38972700 in words is "thirty-eight million, nine hundred seventy-two thousand, seven hundred".