634112997 has 16 divisors (see below), whose sum is σ = 966825600. Its totient is φ = 362140992.

The previous prime is 634112981. The next prime is 634113019. The reversal of 634112997 is 799211436.

It is not a de Polignac number, because 634112997 - 2⁴ = 634112981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634112917) 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, 33183 + ... + 48675.

It is an arithmetic number, because the mean of its divisors is an integer number (60426600).

Almost surely, 2^634112997 is an apocalyptic number.

It is an amenable number.

634112997 is a deficient number, since it is larger than the sum of its proper divisors (332712603).

634112997 is a wasteful number, since it uses less digits than its factorization.

634112997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452.

The product of its digits is 81648, while the sum is 42.

The square root of 634112997 is about 25181.6003661404. The cubic root of 634112997 is about 859.1234068693.

The spelling of 634112997 in words is "six hundred thirty-four million, one hundred twelve thousand, nine hundred ninety-seven".