693984 has 24 divisors (see below), whose sum is σ = 1821960. Its totient is φ = 231296.

The previous prime is 693967. The next prime is 693989. The reversal of 693984 is 489396.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×693984² = 963227584512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (75915).

2⁶⁹³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

693984 is an abundant number, since it is smaller than the sum of its proper divisors (1127976).

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

693984 is a wasteful number, since it uses less digits than its factorization.

693984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242 (or 7234 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 693984 is about 833.0570208575. The cubic root of 693984 is about 88.5353046286.

The spelling of 693984 in words is "six hundred ninety-three thousand, nine hundred eighty-four".