693400331 has 8 divisors (see below), whose sum is σ = 749175504. Its totient is φ = 637973280.

The previous prime is 693400283. The next prime is 693400333. The reversal of 693400331 is 133004396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 693400331 - 2¹⁰ = 693399307 is a prime.

It is a super-2 number, since 2×693400331² = 961608038061819122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693400294 and 693400303.

It is not an unprimeable number, because it can be changed into a prime (693400333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82880 + ... + 90861.

It is an arithmetic number, because the mean of its divisors is an integer number (93646938).

Almost surely, 2^693400331 is an apocalyptic number.

693400331 is a deficient number, since it is larger than the sum of its proper divisors (55775173).

693400331 is a wasteful number, since it uses less digits than its factorization.

693400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174061.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 693400331 is about 26332.4957229656. The cubic root of 693400331 is about 885.1047705982.

The spelling of 693400331 in words is "six hundred ninety-three million, four hundred thousand, three hundred thirty-one".