693612 has 18 divisors (see below), whose sum is σ = 1753388. Its totient is φ = 231192.

The previous prime is 693607. The next prime is 693619. The reversal of 693612 is 216396.

It is a happy number.

693612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693612.

It is not an unprimeable number, because it can be changed into a prime (693619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9598 + ... + 9669.

2⁶⁹³⁶¹² is an apocalyptic number.

It is an amenable number.

693612 is an abundant number, since it is smaller than the sum of its proper divisors (1059776).

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

693612 is a wasteful number, since it uses less digits than its factorization.

693612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277 (or 19272 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 693612 is about 832.8337168967. The cubic root of 693612 is about 88.5194824483.

Adding to 693612 its product of digits (1944), we get a square (695556 = 834²).

The spelling of 693612 in words is "six hundred ninety-three thousand, six hundred twelve".