38318980 has 72 divisors (see below), whose sum is σ = 95290776. Its totient is φ = 12902400.

The previous prime is 38318971. The next prime is 38319011. The reversal of 38318980 is 8981383.

It can be written as a sum of positive squares in 4 ways, for example, as 2414916 + 35904064 = 1554^2 + 5992^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59460 + ... + 60100.

It is an arithmetic number, because the mean of its divisors is an integer number (1323483).

Almost surely, 2^38318980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38318980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47645388).

38318980 is an abundant number, since it is smaller than the sum of its proper divisors (56971796).

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

38318980 is a wasteful number, since it uses less digits than its factorization.

38318980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 38318980 is about 6190.2326289082. The cubic root of 38318980 is about 337.1356250415.

The spelling of 38318980 in words is "thirty-eight million, three hundred eighteen thousand, nine hundred eighty".