938680660 has 12 divisors (see below), whose sum is σ = 1971229428. Its totient is φ = 375472256.

The previous prime is 938680637. The next prime is 938680679. The reversal of 938680660 is 66086839.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196336144 + 742344516 = 14012^2 + 27246^2 .

It is a super-2 number, since 2×938680660² = 1762242762916071200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 938680660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23466997 + ... + 23467036.

It is an arithmetic number, because the mean of its divisors is an integer number (164269119).

Almost surely, 2^938680660 is an apocalyptic number.

It is an amenable number.

938680660 is an abundant number, since it is smaller than the sum of its proper divisors (1032548768).

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

938680660 is a wasteful number, since it uses less digits than its factorization.

938680660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46934042 (or 46934040 counting only the distinct ones).

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

The square root of 938680660 is about 30637.8958154766. The cubic root of 938680660 is about 979.1275937288.

The spelling of 938680660 in words is "nine hundred thirty-eight million, six hundred eighty thousand, six hundred sixty".