634193196 has 48 divisors (see below), whose sum is σ = 1821275904. Its totient is φ = 167259456.

The previous prime is 634193159. The next prime is 634193213. The reversal of 634193196 is 691391436.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 in 15 ways as a sum of consecutive naturals, for example, 289290 + ... + 291473.

It is an arithmetic number, because the mean of its divisors is an integer number (37943248).

Almost surely, 2^634193196 is an apocalyptic number.

It is an amenable number.

634193196 is an abundant number, since it is smaller than the sum of its proper divisors (1187082708).

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

634193196 is a wasteful number, since it uses less digits than its factorization.

634193196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580790 (or 580788 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 634193196 is about 25183.1927284846. The cubic root of 634193196 is about 859.1596243541.

The spelling of 634193196 in words is "six hundred thirty-four million, one hundred ninety-three thousand, one hundred ninety-six".