693444 has 12 divisors (see below), whose sum is σ = 1618064. Its totient is φ = 231144.

The previous prime is 693437. The next prime is 693487. The reversal of 693444 is 444396.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×693444² = 961729162272, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693444.

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, 28882 + ... + 28905.

2⁶⁹³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

693444 is an abundant number, since it is smaller than the sum of its proper divisors (924620).

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

693444 is a wasteful number, since it uses less digits than its factorization.

693444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57794 (or 57792 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 693444 is about 832.7328503188. The cubic root of 693444 is about 88.5123350932.

The spelling of 693444 in words is "six hundred ninety-three thousand, four hundred forty-four".