694432 has 12 divisors (see below), whose sum is σ = 1367226. Its totient is φ = 347200.

The previous prime is 694427. The next prime is 694457. The reversal of 694432 is 234496.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 226576 = 684^2 + 476^2 .

It is a pancake number, because a pancake can be divided into 694432 parts by 1178 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 694432.

It is an unprimeable number.

694432 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 10819 + ... + 10882.

2⁶⁹⁴⁴³² is an apocalyptic number.

It is an amenable number.

694432 is a deficient number, since it is larger than the sum of its proper divisors (672794).

694432 is a wasteful number, since it uses less digits than its factorization.

694432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21711 (or 21703 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 694432 is about 833.3258666332. The cubic root of 694432 is about 88.5543517942.

The spelling of 694432 in words is "six hundred ninety-four thousand, four hundred thirty-two".