1038739764 has 12 divisors (see below), whose sum is σ = 2423726144. Its totient is φ = 346246584.

The previous prime is 1038739759. The next prime is 1038739769. The reversal of 1038739764 is 4679378301.

It is an interprime number because it is at equal distance from previous prime (1038739759) and next prime (1038739769).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038739769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43280812 + ... + 43280835.

Almost surely, 2^1038739764 is an apocalyptic number.

It is an amenable number.

1038739764 is an abundant number, since it is smaller than the sum of its proper divisors (1384986380).

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

1038739764 is a wasteful number, since it uses less digits than its factorization.

1038739764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86561654 (or 86561652 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 1038739764 is about 32229.4859406724. The cubic root of 1038739764 is about 1012.7500012441.

The spelling of 1038739764 in words is "one billion, thirty-eight million, seven hundred thirty-nine thousand, seven hundred sixty-four".