632440197 has 8 divisors (see below), whose sum is σ = 936948480. Its totient is φ = 421626780.

The previous prime is 632440183. The next prime is 632440201. The reversal of 632440197 is 791044236.

632440197 is a `hidden beast` number, since 632 + 4 + 4 + 0 + 19 + 7 = 666.

It is not a de Polignac number, because 632440197 - 2²⁴ = 615662981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632440147) 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, 11711829 + ... + 11711882.

It is an arithmetic number, because the mean of its divisors is an integer number (117118560).

Almost surely, 2^632440197 is an apocalyptic number.

It is an amenable number.

632440197 is a deficient number, since it is larger than the sum of its proper divisors (304508283).

632440197 is a wasteful number, since it uses less digits than its factorization.

632440197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23423720 (or 23423714 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 632440197 is about 25148.3637042254. The cubic root of 632440197 is about 858.3672812622.

The spelling of 632440197 in words is "six hundred thirty-two million, four hundred forty thousand, one hundred ninety-seven".