696221868 has 24 divisors (see below), whose sum is σ = 1695149568. Its totient is φ = 221983696.

The previous prime is 696221849. The next prime is 696221873. The reversal of 696221868 is 868122696.

It is a happy number.

696221868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260996 + ... + 1261547.

It is an arithmetic number, because the mean of its divisors is an integer number (70631232).

Almost surely, 2^696221868 is an apocalyptic number.

It is an amenable number.

696221868 is an abundant number, since it is smaller than the sum of its proper divisors (998927700).

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

696221868 is a wasteful number, since it uses less digits than its factorization.

696221868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522573 (or 2522571 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 696221868 is about 26386.0165239090. The cubic root of 696221868 is about 886.3036817361.

The spelling of 696221868 in words is "six hundred ninety-six million, two hundred twenty-one thousand, eight hundred sixty-eight".