939079680 has 384 divisors, whose sum is σ = 3755082240. Its totient is φ = 194641920.

The previous prime is 939079667. The next prime is 939079681. The reversal of 939079680 is 86970939.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939079681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365242 + ... + 2365638.

It is an arithmetic number, because the mean of its divisors is an integer number (9778860).

Almost surely, 2^939079680 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 939079680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877541120).

939079680 is an abundant number, since it is smaller than the sum of its proper divisors (2816002560).

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

939079680 is a wasteful number, since it uses less digits than its factorization.

939079680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 939079680 is about 30644.4069937729. The cubic root of 939079680 is about 979.2663118833.

The spelling of 939079680 in words is "nine hundred thirty-nine million, seventy-nine thousand, six hundred eighty".