38912980 has 12 divisors (see below), whose sum is σ = 81717300. Its totient is φ = 15565184.

The previous prime is 38912963. The next prime is 38912981. The reversal of 38912980 is 8921983.

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 30514576 = 2898^2 + 5524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38912981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972805 + ... + 972844.

It is an arithmetic number, because the mean of its divisors is an integer number (6809775).

Almost surely, 2^38912980 is an apocalyptic number.

It is an amenable number.

38912980 is an abundant number, since it is smaller than the sum of its proper divisors (42804320).

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

38912980 is a wasteful number, since it uses less digits than its factorization.

38912980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945658 (or 1945656 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 38912980 is about 6238.0269316507. The cubic root of 38912980 is about 338.8687314993.

The spelling of 38912980 in words is "thirty-eight million, nine hundred twelve thousand, nine hundred eighty".