693938 has 24 divisors (see below), whose sum is σ = 1240092. Its totient is φ = 290304.

The previous prime is 693881. The next prime is 693943. The reversal of 693938 is 839396.

It is a happy number.

693938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 49 = 833^2 + 7^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693938.

It is an unprimeable number.

693938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7106 + ... + 7202.

2⁶⁹³⁹³⁸ is an apocalyptic number.

693938 is a deficient number, since it is larger than the sum of its proper divisors (546154).

693938 is a wasteful number, since it uses less digits than its factorization.

693938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 693938 is about 833.0294112455. The cubic root of 693938 is about 88.5333484289.

The spelling of 693938 in words is "six hundred ninety-three thousand, nine hundred thirty-eight".