765988 has 6 divisors (see below), whose sum is σ = 1340486. Its totient is φ = 382992.

The previous prime is 765983. The next prime is 765991. The reversal of 765988 is 889567.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 487204 + 278784 = 698^2 + 528^2 .

It is a super-2 number, since 2×765988² = 1173475232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (765983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95745 + ... + 95752.

2⁷⁶⁵⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

765988 is a deficient number, since it is larger than the sum of its proper divisors (574498).

765988 is a wasteful number, since it uses less digits than its factorization.

765988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191501 (or 191499 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 765988 is about 875.2074039906. The cubic root of 765988 is about 91.4970984578.

The spelling of 765988 in words is "seven hundred sixty-five thousand, nine hundred eighty-eight".