693400038 has 16 divisors (see below), whose sum is σ = 1401098160. Its totient is φ = 228750336.

The previous prime is 693400013. The next prime is 693400039. The reversal of 693400038 is 830004396.

693400038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×693400038² = 961607225396802888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 693399981 and 693400008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693400039) 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, 595123 + ... + 596286.

It is an arithmetic number, because the mean of its divisors is an integer number (87568635).

Almost surely, 2^693400038 is an apocalyptic number.

693400038 is an abundant number, since it is smaller than the sum of its proper divisors (707698122).

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

693400038 is a wasteful number, since it uses less digits than its factorization.

693400038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191511.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 693400038 is about 26332.4901594969. The cubic root of 693400038 is about 885.1046459296.

The spelling of 693400038 in words is "six hundred ninety-three million, four hundred thousand, thirty-eight".