634898235 has 16 divisors (see below), whose sum is σ = 1075592736. Its totient is φ = 318693888.

The previous prime is 634898213. The next prime is 634898237. The reversal of 634898235 is 532898436.

It is not a de Polignac number, because 634898235 - 2⁸ = 634897979 is a prime.

It is a super-2 number, since 2×634898235² = 806191537612230450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634898237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244644 + ... + 1245153.

It is an arithmetic number, because the mean of its divisors is an integer number (67224546).

Almost surely, 2^634898235 is an apocalyptic number.

634898235 is a deficient number, since it is larger than the sum of its proper divisors (440694501).

634898235 is a wasteful number, since it uses less digits than its factorization.

634898235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489822.

The product of its digits is 1244160, while the sum is 48.

The square root of 634898235 is about 25197.1870453827. The cubic root of 634898235 is about 859.4778852643.

The spelling of 634898235 in words is "six hundred thirty-four million, eight hundred ninety-eight thousand, two hundred thirty-five".