1039984728 has 32 divisors (see below), whose sum is σ = 2605100400. Its totient is φ = 345976448.

The previous prime is 1039984727. The next prime is 1039984739. The reversal of 1039984728 is 8274899301.

It is a super-3 number, since 3×1039984728³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039984723) 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, 30351 + ... + 54782.

Almost surely, 2^1039984728 is an apocalyptic number.

It is an amenable number.

1039984728 is an abundant number, since it is smaller than the sum of its proper divisors (1565115672).

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

1039984728 is a wasteful number, since it uses less digits than its factorization.

1039984728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85651 (or 85647 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 1039984728 is about 32248.7942100166. The cubic root of 1039984728 is about 1013.1544445105.

The spelling of 1039984728 in words is "one billion, thirty-nine million, nine hundred eighty-four thousand, seven hundred twenty-eight".