699917920 has 48 divisors (see below), whose sum is σ = 1780758000. Its totient is φ = 258430464.

The previous prime is 699917917. The next prime is 699917921. The reversal of 699917920 is 29719996.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699917921) 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, 166170 + ... + 170329.

It is an arithmetic number, because the mean of its divisors is an integer number (37099125).

Almost surely, 2^699917920 is an apocalyptic number.

It is an amenable number.

699917920 is an abundant number, since it is smaller than the sum of its proper divisors (1080840080).

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

699917920 is a wasteful number, since it uses less digits than its factorization.

699917920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336527 (or 336519 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 52.

The square root of 699917920 is about 26455.9618989747. The cubic root of 699917920 is about 887.8692960239.

The spelling of 699917920 in words is "six hundred ninety-nine million, nine hundred seventeen thousand, nine hundred twenty".