693816 has 16 divisors (see below), whose sum is σ = 1734600. Its totient is φ = 231264.

The previous prime is 693809. The next prime is 693827. The reversal of 693816 is 618396.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 14431 + ... + 14478.

2⁶⁹³⁸¹⁶ is an apocalyptic number.

It is an amenable number.

693816 is an abundant number, since it is smaller than the sum of its proper divisors (1040784).

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

693816 is a wasteful number, since it uses less digits than its factorization.

693816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28918 (or 28914 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 693816 is about 832.9561813205. The cubic root of 693816 is about 88.5281598282.

The spelling of 693816 in words is "six hundred ninety-three thousand, eight hundred sixteen".