765940 has 24 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 262560.

The previous prime is 765931. The next prime is 765949. The reversal of 765940 is 49567.

It is an interprime number because it is at equal distance from previous prime (765931) and next prime (765949).

It is a hoax number, since the sum of its digits (31) 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 (765949) 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, 2596 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁷⁶⁵⁹⁴⁰ is an apocalyptic number.

765940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

765940 is an abundant number, since it is smaller than the sum of its proper divisors (1072652).

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

765940 is a wasteful number, since it uses less digits than its factorization.

765940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 765940 is about 875.1799814895. The cubic root of 765940 is about 91.4951872214.

The spelling of 765940 in words is "seven hundred sixty-five thousand, nine hundred forty".