696984321 has 24 divisors (see below), whose sum is σ = 1029343392. Its totient is φ = 419161600.

The previous prime is 696984311. The next prime is 696984359. The reversal of 696984321 is 123489696.

It is not a de Polignac number, because 696984321 - 2⁷ = 696984193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696984311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40225 + ... + 54881.

It is an arithmetic number, because the mean of its divisors is an integer number (42889308).

Almost surely, 2^696984321 is an apocalyptic number.

It is an amenable number.

696984321 is a deficient number, since it is larger than the sum of its proper divisors (332359071).

696984321 is a wasteful number, since it uses less digits than its factorization.

696984321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813 (or 14802 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 696984321 is about 26400.4606209816. The cubic root of 696984321 is about 886.6271027597.

The spelling of 696984321 in words is "six hundred ninety-six million, nine hundred eighty-four thousand, three hundred twenty-one".