634452995 has 16 divisors (see below), whose sum is σ = 831224160. Its totient is φ = 461049600.

The previous prime is 634452991. The next prime is 634453021. The reversal of 634452995 is 599254436.

It is a happy number.

It is not a de Polignac number, because 634452995 - 2² = 634452991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634452991) 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, 77561 + ... + 85349.

It is an arithmetic number, because the mean of its divisors is an integer number (51951510).

Almost surely, 2^634452995 is an apocalyptic number.

634452995 is a deficient number, since it is larger than the sum of its proper divisors (196771165).

634452995 is a wasteful number, since it uses less digits than its factorization.

634452995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286.

The product of its digits is 1166400, while the sum is 47.

The square root of 634452995 is about 25188.3503826670. The cubic root of 634452995 is about 859.2769273780.

The spelling of 634452995 in words is "six hundred thirty-four million, four hundred fifty-two thousand, nine hundred ninety-five".