939994524 has 192 divisors, whose sum is σ = 3027763200. Its totient is φ = 246110400.

The previous prime is 939994483. The next prime is 939994529. The reversal of 939994524 is 425499939.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939994529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444229 + ... + 446339.

It is an arithmetic number, because the mean of its divisors is an integer number (15769600).

Almost surely, 2^939994524 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 939994524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513881600).

939994524 is an abundant number, since it is smaller than the sum of its proper divisors (2087768676).

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

939994524 is a wasteful number, since it uses less digits than its factorization.

939994524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2173 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 939994524 is about 30659.3301296685. The cubic root of 939994524 is about 979.5842065085.

The spelling of 939994524 in words is "nine hundred thirty-nine million, nine hundred ninety-four thousand, five hundred twenty-four".