38951712 has 48 divisors (see below), whose sum is σ = 113611680. Its totient is φ = 12983616.

The previous prime is 38951711. The next prime is 38951747. The reversal of 38951712 is 21715983.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (38951711) 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, 21678 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (2366910).

Almost surely, 2^38951712 is an apocalyptic number.

38951712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38951712 is an abundant number, since it is smaller than the sum of its proper divisors (74659968).

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

38951712 is a wasteful number, since it uses less digits than its factorization.

38951712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45102 (or 45088 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 38951712 is about 6241.1306667943. The cubic root of 38951712 is about 338.9811251140.

The spelling of 38951712 in words is "thirty-eight million, nine hundred fifty-one thousand, seven hundred twelve".