694688 has 24 divisors (see below), whose sum is σ = 1449252. Its totient is φ = 326656.

The previous prime is 694651. The next prime is 694717. The reversal of 694688 is 886496.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 35344 = 812^2 + 188^2 .

Its product of digits (82944) is a multiple of the sum of its prime divisors (1296).

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, 95 + ... + 1182.

2⁶⁹⁴⁶⁸⁸ is an apocalyptic number.

694688 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

694688 is an abundant number, since it is smaller than the sum of its proper divisors (754564).

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

694688 is a wasteful number, since it uses less digits than its factorization.

694688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1296 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 694688 is about 833.4794538559. The cubic root of 694688 is about 88.5652322111.

The spelling of 694688 in words is "six hundred ninety-four thousand, six hundred eighty-eight".