763864 has 8 divisors (see below), whose sum is σ = 1432260. Its totient is φ = 381928.

The previous prime is 763859. The next prime is 763879. The reversal of 763864 is 468367.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

763864 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47734 + ... + 47749.

2⁷⁶³⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

763864 is a deficient number, since it is larger than the sum of its proper divisors (668396).

763864 is a wasteful number, since it uses less digits than its factorization.

763864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95489 (or 95485 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 763864 is about 873.9931349845. The cubic root of 763864 is about 91.4124497244.

The spelling of 763864 in words is "seven hundred sixty-three thousand, eight hundred sixty-four".