634146212 has 24 divisors (see below), whose sum is σ = 1271477760. Its totient is φ = 271094400.

The previous prime is 634146209. The next prime is 634146251. The reversal of 634146212 is 212641436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 39467.

It is an arithmetic number, because the mean of its divisors is an integer number (52978240).

Almost surely, 2^634146212 is an apocalyptic number.

It is an amenable number.

634146212 is an abundant number, since it is smaller than the sum of its proper divisors (637331548).

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

634146212 is a wasteful number, since it uses less digits than its factorization.

634146212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56891 (or 56889 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 634146212 is about 25182.2598668189. The cubic root of 634146212 is about 859.1384069749.

Adding to 634146212 its reverse (212641436), we get a palindrome (846787648).

The spelling of 634146212 in words is "six hundred thirty-four million, one hundred forty-six thousand, two hundred twelve".