696139596 has 192 divisors, whose sum is σ = 2010193920. Its totient is φ = 209952000.

The previous prime is 696139559. The next prime is 696139649. The reversal of 696139596 is 695931696.

It is a happy number.

It is a super-2 number, since 2×696139596² = 969220674238086432, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4610121 + ... + 4610271.

It is an arithmetic number, because the mean of its divisors is an integer number (10469760).

Almost surely, 2^696139596 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 696139596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005096960).

696139596 is an abundant number, since it is smaller than the sum of its proper divisors (1314054324).

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

696139596 is a wasteful number, since it uses less digits than its factorization.

696139596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 204 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 696139596 is about 26384.4574702608. The cubic root of 696139596 is about 886.2687690872.

The spelling of 696139596 in words is "six hundred ninety-six million, one hundred thirty-nine thousand, five hundred ninety-six".