38666980 has 24 divisors (see below), whose sum is σ = 88583040. Its totient is φ = 14060640.

The previous prime is 38666939. The next prime is 38666981. The reversal of 38666980 is 8966683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38666980.

It is not an unprimeable number, because it can be changed into a prime (38666981) 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, 87660 + ... + 88099.

It is an arithmetic number, because the mean of its divisors is an integer number (3690960).

Almost surely, 2^38666980 is an apocalyptic number.

It is an amenable number.

38666980 is an abundant number, since it is smaller than the sum of its proper divisors (49916060).

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

38666980 is a wasteful number, since it uses less digits than its factorization.

38666980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175779 (or 175777 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 38666980 is about 6218.2778966527. The cubic root of 38666980 is about 338.1531348629.

The spelling of 38666980 in words is "thirty-eight million, six hundred sixty-six thousand, nine hundred eighty".