939717940 has 24 divisors (see below), whose sum is σ = 2255323392. Its totient is φ = 322188960.

The previous prime is 939717929. The next prime is 939717997. The reversal of 939717940 is 49717939.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355996 + ... + 3356275.

It is an arithmetic number, because the mean of its divisors is an integer number (93971808).

Almost surely, 2^939717940 is an apocalyptic number.

It is an amenable number.

939717940 is an abundant number, since it is smaller than the sum of its proper divisors (1315605452).

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

939717940 is a wasteful number, since it uses less digits than its factorization.

939717940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712287 (or 6712285 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 939717940 is about 30654.8191969876. The cubic root of 939717940 is about 979.4881194608.

The spelling of 939717940 in words is "nine hundred thirty-nine million, seven hundred seventeen thousand, nine hundred forty".