38972850 has 48 divisors (see below), whose sum is σ = 110463168. Its totient is φ = 8907840.

The previous prime is 38972821. The next prime is 38972851. The reversal of 38972850 is 5827983.

38972850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (38972851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17509 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (2301316).

Almost surely, 2^38972850 is an apocalyptic number.

38972850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38972850 is an abundant number, since it is smaller than the sum of its proper divisors (71490318).

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

38972850 is a wasteful number, since it uses less digits than its factorization.

38972850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37139 (or 37134 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 38972850 is about 6242.8238802644. The cubic root of 38972850 is about 339.0424325371.

The spelling of 38972850 in words is "thirty-eight million, nine hundred seventy-two thousand, eight hundred fifty".