939485780 has 48 divisors (see below), whose sum is σ = 2100168000. Its totient is φ = 352002816.

The previous prime is 939485779. The next prime is 939485803. The reversal of 939485780 is 87584939.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19931 + ... + 47709.

It is an arithmetic number, because the mean of its divisors is an integer number (43753500).

Almost surely, 2^939485780 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 939485780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050084000).

939485780 is an abundant number, since it is smaller than the sum of its proper divisors (1160682220).

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

939485780 is a wasteful number, since it uses less digits than its factorization.

939485780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27896 (or 27894 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 939485780 is about 30651.0322827796. The cubic root of 939485780 is about 979.4074510385.

The spelling of 939485780 in words is "nine hundred thirty-nine million, four hundred eighty-five thousand, seven hundred eighty".