634842801 has 12 divisors (see below), whose sum is σ = 965258320. Its totient is φ = 400953240.

The previous prime is 634842797. The next prime is 634842829. The reversal of 634842801 is 108248436.

It is not a de Polignac number, because 634842801 - 2² = 634842797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634942801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856095 + ... + 1856436.

Almost surely, 2^634842801 is an apocalyptic number.

It is an amenable number.

634842801 is a deficient number, since it is larger than the sum of its proper divisors (330415519).

634842801 is a wasteful number, since it uses less digits than its factorization.

634842801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712556 (or 3712553 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 634842801 is about 25196.0870176303. The cubic root of 634842801 is about 859.4528703978.

The spelling of 634842801 in words is "six hundred thirty-four million, eight hundred forty-two thousand, eight hundred one".