694864 has 20 divisors (see below), whose sum is σ = 1360404. Its totient is φ = 343808.

The previous prime is 694831. The next prime is 694867. The reversal of 694864 is 468496.

It can be written as a sum of positive squares in 2 ways, for example, as 193600 + 501264 = 440^2 + 708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694867) by changing a digit.

694864 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 in 3 ways as a sum of consecutive naturals, for example, 2034 + ... + 2350.

2⁶⁹⁴⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

694864 is a deficient number, since it is larger than the sum of its proper divisors (665540).

694864 is a wasteful number, since it uses less digits than its factorization.

694864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 694864 is about 833.5850286563. The cubic root of 694864 is about 88.5727109472.

The spelling of 694864 in words is "six hundred ninety-four thousand, eight hundred sixty-four".