696371688 has 32 divisors (see below), whose sum is σ = 1934366400. Its totient is φ = 232123824.

The previous prime is 696371681. The next prime is 696371699. The reversal of 696371688 is 886173696.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (696371681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611756 + ... + 1612187.

It is an arithmetic number, because the mean of its divisors is an integer number (60448950).

Almost surely, 2^696371688 is an apocalyptic number.

It is an amenable number.

696371688 is an abundant number, since it is smaller than the sum of its proper divisors (1237994712).

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

696371688 is a wasteful number, since it uses less digits than its factorization.

696371688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223958 (or 3223948 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 696371688 is about 26388.8553749495. The cubic root of 696371688 is about 886.3672517464.

The spelling of 696371688 in words is "six hundred ninety-six million, three hundred seventy-one thousand, six hundred eighty-eight".