698764 has 12 divisors (see below), whose sum is σ = 1334088. Its totient is φ = 317600.

The previous prime is 698729. The next prime is 698773. The reversal of 698764 is 467896.

It is a super-2 number, since 2×698764² = 976542255392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7897 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (111174).

2⁶⁹⁸⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

698764 is a deficient number, since it is larger than the sum of its proper divisors (635324).

698764 is a wasteful number, since it uses less digits than its factorization.

698764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15896 (or 15894 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 698764 is about 835.9210489035. The cubic root of 698764 is about 88.7381098929.

The spelling of 698764 in words is "six hundred ninety-eight thousand, seven hundred sixty-four".