697641244 has 24 divisors (see below), whose sum is σ = 1282528800. Its totient is φ = 331408704.

The previous prime is 697641233. The next prime is 697641247. The reversal of 697641244 is 442146796.

It is a self number, because there is not a number n which added to its sum of digits gives 697641244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697641247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11739 + ... + 39154.

It is an arithmetic number, because the mean of its divisors is an integer number (53438700).

Almost surely, 2^697641244 is an apocalyptic number.

It is an amenable number.

697641244 is a deficient number, since it is larger than the sum of its proper divisors (584887556).

697641244 is a wasteful number, since it uses less digits than its factorization.

697641244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51069 (or 51067 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 697641244 is about 26412.8991971726. The cubic root of 697641244 is about 886.9055704503.

The spelling of 697641244 in words is "six hundred ninety-seven million, six hundred forty-one thousand, two hundred forty-four".