694464 has 28 divisors (see below), whose sum is σ = 1837944. Its totient is φ = 231424.

The previous prime is 694457. The next prime is 694471. The reversal of 694464 is 464496.

It is an interprime number because it is at equal distance from previous prime (694457) and next prime (694471).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617 + ... + 2000.

2⁶⁹⁴⁴⁶⁴ is an apocalyptic number.

694464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

694464 is an abundant number, since it is smaller than the sum of its proper divisors (1143480).

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

694464 is a wasteful number, since it uses less digits than its factorization.

694464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632 (or 3622 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 694464 is about 833.3450665841. The cubic root of 694464 is about 88.5557119926. Note that the first 3 decimals are identical.

Subtracting from 694464 its sum of digits (33), we obtain a triangular number (694431 = T₁₁₇₈).

The spelling of 694464 in words is "six hundred ninety-four thousand, four hundred sixty-four".