697920696 has 96 divisors (see below), whose sum is σ = 2112430320. Its totient is φ = 206323200.

The previous prime is 697920683. The next prime is 697920697. The reversal of 697920696 is 696029796.

It is a happy number.

697920696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697920697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21726 + ... + 43218.

Almost surely, 2^697920696 is an apocalyptic number.

697920696 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 697920696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056215160).

697920696 is an abundant number, since it is smaller than the sum of its proper divisors (1414509624).

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

697920696 is a wasteful number, since it uses less digits than its factorization.

697920696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21557 (or 21550 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 697920696 is about 26418.1887342793. The cubic root of 697920696 is about 887.0239763176.

The spelling of 697920696 in words is "six hundred ninety-seven million, nine hundred twenty thousand, six hundred ninety-six".