634196392 has 8 divisors (see below), whose sum is σ = 1189118250. Its totient is φ = 317098192.

The previous prime is 634196371. The next prime is 634196413. The reversal of 634196392 is 293691436.

It is an interprime number because it is at equal distance from previous prime (634196371) and next prime (634196413).

It can be written as a sum of positive squares in only one way, i.e., 381577156 + 252619236 = 19534^2 + 15894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39637267 + ... + 39637282.

Almost surely, 2^634196392 is an apocalyptic number.

It is an amenable number.

634196392 is a deficient number, since it is larger than the sum of its proper divisors (554921858).

634196392 is a wasteful number, since it uses less digits than its factorization.

634196392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79274555 (or 79274551 counting only the distinct ones).

The product of its digits is 209952, while the sum is 43.

The square root of 634196392 is about 25183.2561834247. The cubic root of 634196392 is about 859.1610675892.

The spelling of 634196392 in words is "six hundred thirty-four million, one hundred ninety-six thousand, three hundred ninety-two".