634295889 has 12 divisors (see below), whose sum is σ = 922894596. Its totient is φ = 419776512.

The previous prime is 634295887. The next prime is 634295897. The reversal of 634295889 is 988592436.

634295889 is a `hidden beast` number, since 6 + 34 + 29 + 588 + 9 = 666.

634295889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 369908289 + 264387600 = 19233^2 + 16260^2 .

It is not a de Polignac number, because 634295889 - 2¹ = 634295887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634295887) 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, 255984 + ... + 258449.

It is an arithmetic number, because the mean of its divisors is an integer number (76907883).

Almost surely, 2^634295889 is an apocalyptic number.

It is an amenable number.

634295889 is a deficient number, since it is larger than the sum of its proper divisors (288598707).

634295889 is a wasteful number, since it uses less digits than its factorization.

634295889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514576 (or 514573 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 634295889 is about 25185.2315653440. The cubic root of 634295889 is about 859.2059955641.

The spelling of 634295889 in words is "six hundred thirty-four million, two hundred ninety-five thousand, eight hundred eighty-nine".