693889900 has 72 divisors (see below), whose sum is σ = 1655894016. Its totient is φ = 250286400.

The previous prime is 693889891. The next prime is 693889913. The reversal of 693889900 is 9988396.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137217 + ... + 142183.

It is an arithmetic number, because the mean of its divisors is an integer number (22998528).

Almost surely, 2^693889900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693889900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827947008).

693889900 is an abundant number, since it is smaller than the sum of its proper divisors (962004116).

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

693889900 is a wasteful number, since it uses less digits than its factorization.

693889900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 693889900 is about 26341.7899923297. The cubic root of 693889900 is about 885.3130283186.

It can be divided in two parts, 693889 and 900, that multiplied together give a square (624500100 = 24990²).

The spelling of 693889900 in words is "six hundred ninety-three million, eight hundred eighty-nine thousand, nine hundred".