695884640 has 96 divisors (see below), whose sum is σ = 1801336320. Its totient is φ = 251942400.

The previous prime is 695884627. The next prime is 695884697. The reversal of 695884640 is 46488596.

It is a happy number.

695884640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476231 + ... + 477689.

It is an arithmetic number, because the mean of its divisors is an integer number (18763920).

Almost surely, 2^695884640 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 695884640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900668160).

695884640 is an abundant number, since it is smaller than the sum of its proper divisors (1105451680).

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

695884640 is a wasteful number, since it uses less digits than its factorization.

695884640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 695884640 is about 26379.6254711851. The cubic root of 695884640 is about 886.1605594060.

The spelling of 695884640 in words is "six hundred ninety-five million, eight hundred eighty-four thousand, six hundred forty".