634480001 has 8 divisors (see below), whose sum is σ = 701011584. Its totient is φ = 571193920.

The previous prime is 634479991. The next prime is 634480027. The reversal of 634480001 is 100084436.

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

It is a cyclic number.

It is not a de Polignac number, because 634480001 - 2¹⁴ = 634463617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634480031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 810965 + ... + 811746.

It is an arithmetic number, because the mean of its divisors is an integer number (87626448).

Almost surely, 2^634480001 is an apocalyptic number.

It is an amenable number.

634480001 is a deficient number, since it is larger than the sum of its proper divisors (66531583).

634480001 is a wasteful number, since it uses less digits than its factorization.

634480001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622751.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 634480001 is about 25188.8864581188. The cubic root of 634480001 is about 859.2891191419.

The spelling of 634480001 in words is "six hundred thirty-four million, four hundred eighty thousand, one".