696944556 has 144 divisors (see below), whose sum is σ = 2218664448. Its totient is φ = 179193600.

The previous prime is 696944537. The next prime is 696944569. The reversal of 696944556 is 655449696.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284296 + ... + 286736.

It is an arithmetic number, because the mean of its divisors is an integer number (15407392).

Almost surely, 2^696944556 is an apocalyptic number.

696944556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696944556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109332224).

696944556 is an abundant number, since it is smaller than the sum of its proper divisors (1521719892).

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

696944556 is a wasteful number, since it uses less digits than its factorization.

696944556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2567 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The square root of 696944556 is about 26399.7074983796. The cubic root of 696944556 is about 886.6102408801.

The spelling of 696944556 in words is "six hundred ninety-six million, nine hundred forty-four thousand, five hundred fifty-six".