693139308 has 48 divisors (see below), whose sum is σ = 1641319680. Its totient is φ = 227634624.

The previous prime is 693139303. The next prime is 693139309. The reversal of 693139308 is 803931396.

693139308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 693139308.

It is not an unprimeable number, because it can be changed into a prime (693139303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484338 + ... + 485766.

It is an arithmetic number, because the mean of its divisors is an integer number (34194160).

Almost surely, 2^693139308 is an apocalyptic number.

It is an amenable number.

693139308 is an abundant number, since it is smaller than the sum of its proper divisors (948180372).

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

693139308 is a wasteful number, since it uses less digits than its factorization.

693139308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 693139308 is about 26327.5389658813. The cubic root of 693139308 is about 884.9936939766.

The spelling of 693139308 in words is "six hundred ninety-three million, one hundred thirty-nine thousand, three hundred eight".