634094385 has 32 divisors (see below), whose sum is σ = 1036385280. Its totient is φ = 330939648.

The previous prime is 634094347. The next prime is 634094387. The reversal of 634094385 is 583490436.

It is not a de Polignac number, because 634094385 - 2⁷ = 634094257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634094387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403872 + ... + 405438.

It is an arithmetic number, because the mean of its divisors is an integer number (32387040).

Almost surely, 2^634094385 is an apocalyptic number.

It is an amenable number.

634094385 is a deficient number, since it is larger than the sum of its proper divisors (402290895).

634094385 is a wasteful number, since it uses less digits than its factorization.

634094385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 634094385 is about 25181.2308078855. The cubic root of 634094385 is about 859.1150013425.

The spelling of 634094385 in words is "six hundred thirty-four million, ninety-four thousand, three hundred eighty-five".