634209092 has 12 divisors (see below), whose sum is σ = 1210762896. Its totient is φ = 288276840.

The previous prime is 634209073. The next prime is 634209097. The reversal of 634209092 is 290902436.

It is not an unprimeable number, because it can be changed into a prime (634209097) 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 3 ways as a sum of consecutive naturals, for example, 7206878 + ... + 7206965.

It is an arithmetic number, because the mean of its divisors is an integer number (100896908).

Almost surely, 2^634209092 is an apocalyptic number.

It is an amenable number.

634209092 is a deficient number, since it is larger than the sum of its proper divisors (576553804).

634209092 is a wasteful number, since it uses less digits than its factorization.

634209092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413858 (or 14413856 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 634209092 is about 25183.5083338283. The cubic root of 634209092 is about 859.1668025491.

The spelling of 634209092 in words is "six hundred thirty-four million, two hundred nine thousand, ninety-two".