38981960 has 32 divisors (see below), whose sum is σ = 88587000. Its totient is φ = 15436800.

The previous prime is 38981923. The next prime is 38981981. The reversal of 38981960 is 6918983.

It can be written as a sum of positive squares in 4 ways, for example, as 33154564 + 5827396 = 5758^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 8864.

Almost surely, 2^38981960 is an apocalyptic number.

It is an amenable number.

38981960 is an abundant number, since it is smaller than the sum of its proper divisors (49605040).

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

38981960 is a wasteful number, since it uses less digits than its factorization.

38981960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761 (or 9757 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 38981960 is about 6243.5534753856. The cubic root of 38981960 is about 339.0688478145.

The spelling of 38981960 in words is "thirty-eight million, nine hundred eighty-one thousand, nine hundred sixty".