939428388984 has 32 divisors (see below), whose sum is σ = 2363530032720. Its totient is φ = 311148254976.

The previous prime is 939428388967. The next prime is 939428388989. The reversal of 939428388984 is 489883824939.

939428388984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×939428388984² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939428388989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124654989 + ... + 124662524.

Almost surely, 2^939428388984 is an apocalyptic number.

It is an amenable number.

939428388984 is an abundant number, since it is smaller than the sum of its proper divisors (1424101643736).

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

939428388984 is a wasteful number, since it uses less digits than its factorization.

939428388984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249317679 (or 249317675 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 75.

The spelling of 939428388984 in words is "nine hundred thirty-nine billion, four hundred twenty-eight million, three hundred eighty-eight thousand, nine hundred eighty-four".