634952233 has 16 divisors (see below), whose sum is σ = 670411456. Its totient is φ = 600747840.

The previous prime is 634952209. The next prime is 634952239. The reversal of 634952233 is 332259436.

It is a happy number.

It is not a de Polignac number, because 634952233 - 2²⁵ = 601397801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634952192 and 634952201.

It is not an unprimeable number, because it can be changed into a prime (634952239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173935 + ... + 177547.

It is an arithmetic number, because the mean of its divisors is an integer number (41900716).

Almost surely, 2^634952233 is an apocalyptic number.

It is an amenable number.

634952233 is a deficient number, since it is larger than the sum of its proper divisors (35459223).

634952233 is a wasteful number, since it uses less digits than its factorization.

634952233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its digits is 116640, while the sum is 37.

The square root of 634952233 is about 25198.2585310969. The cubic root of 634952233 is about 859.5022507288.

The spelling of 634952233 in words is "six hundred thirty-four million, nine hundred fifty-two thousand, two hundred thirty-three".