697969796 has 24 divisors (see below), whose sum is σ = 1264780440. Its totient is φ = 336627200.

The previous prime is 697969793. The next prime is 697969801.

697969796 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 108451396 + 589518400 = 10414^2 + 24280^2 .

It is a super-2 number, since 2×697969796² = 974323672256563232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (697969793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155666 + ... + 160086.

It is an arithmetic number, because the mean of its divisors is an integer number (52699185).

Almost surely, 2^697969796 is an apocalyptic number.

It is an amenable number.

697969796 is a deficient number, since it is larger than the sum of its proper divisors (566810644).

697969796 is a wasteful number, since it uses less digits than its factorization.

697969796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815 (or 5813 counting only the distinct ones).

The product of its digits is 69441624, while the sum is 68.

The square root of 697969796 is about 26419.1180019319. The cubic root of 697969796 is about 887.0447770839.

The spelling of 697969796 in words is "six hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred ninety-six".