634452657 has 8 divisors (see below), whose sum is σ = 847750176. Its totient is φ = 422061792.

The previous prime is 634452641. The next prime is 634452673. The reversal of 634452657 is 756254436.

It is an interprime number because it is at equal distance from previous prime (634452641) and next prime (634452673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634452657 - 2⁴ = 634452641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634452557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225028 + ... + 227829.

It is an arithmetic number, because the mean of its divisors is an integer number (105968772).

Almost surely, 2^634452657 is an apocalyptic number.

It is an amenable number.

634452657 is a deficient number, since it is larger than the sum of its proper divisors (213297519).

634452657 is a wasteful number, since it uses less digits than its factorization.

634452657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453327.

The product of its digits is 604800, while the sum is 42.

The square root of 634452657 is about 25188.3436732152. The cubic root of 634452657 is about 859.2767747869.

The spelling of 634452657 in words is "six hundred thirty-four million, four hundred fifty-two thousand, six hundred fifty-seven".