634006005 has 8 divisors (see below), whose sum is σ = 1014409632. Its totient is φ = 338136528.

The previous prime is 634005979. The next prime is 634006031. The reversal of 634006005 is 500600436.

It is an interprime number because it is at equal distance from previous prime (634005979) and next prime (634006031).

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

It is not a de Polignac number, because 634006005 - 2¹⁰ = 634004981 is a prime.

It is a super-2 number, since 2×634006005² = 803927228752120050, which contains 22 as substring.

It is a congruent number.

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, 21133519 + ... + 21133548.

It is an arithmetic number, because the mean of its divisors is an integer number (126801204).

Almost surely, 2^634006005 is an apocalyptic number.

It is an amenable number.

634006005 is a deficient number, since it is larger than the sum of its proper divisors (380403627).

634006005 is a wasteful number, since it uses less digits than its factorization.

634006005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42267075.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 634006005 is about 25179.4758682543. The cubic root of 634006005 is about 859.0750850390.

The spelling of 634006005 in words is "six hundred thirty-four million, six thousand, five".