697434966 has 12 divisors (see below), whose sum is σ = 1511109132. Its totient is φ = 232478316.

The previous prime is 697434937. The next prime is 697434967. The reversal of 697434966 is 669434796.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697434967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19373176 + ... + 19373211.

It is an arithmetic number, because the mean of its divisors is an integer number (125925761).

Almost surely, 2^697434966 is an apocalyptic number.

697434966 is an abundant number, since it is smaller than the sum of its proper divisors (813674166).

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

697434966 is a wasteful number, since it uses less digits than its factorization.

697434966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38746395 (or 38746392 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 697434966 is about 26408.9940361234. The cubic root of 697434966 is about 886.8181486590.

The spelling of 697434966 in words is "six hundred ninety-seven million, four hundred thirty-four thousand, nine hundred sixty-six".