939928860 has 432 divisors, whose sum is σ = 3471904800. Its totient is φ = 211631616.

The previous prime is 939928859. The next prime is 939928867. The reversal of 939928860 is 68829939.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 939928797 and 939928806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939928867) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32411326 + ... + 32411354.

Almost surely, 2^939928860 is an apocalyptic number.

939928860 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 939928860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735952400).

939928860 is an abundant number, since it is smaller than the sum of its proper divisors (2531975940).

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

939928860 is a wasteful number, since it uses less digits than its factorization.

939928860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 939928860 is about 30658.2592460824. The cubic root of 939928860 is about 979.5613961220.

The spelling of 939928860 in words is "nine hundred thirty-nine million, nine hundred twenty-eight thousand, eight hundred sixty".