634299853 has 8 divisors (see below), whose sum is σ = 698682816. Its totient is φ = 571036800.

The previous prime is 634299793. The next prime is 634299863. The reversal of 634299853 is 358992436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634299853 - 2²⁵ = 600745421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634299797 and 634299806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634299863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278788 + ... + 281053.

It is an arithmetic number, because the mean of its divisors is an integer number (87335352).

Almost surely, 2^634299853 is an apocalyptic number.

It is an amenable number.

634299853 is a deficient number, since it is larger than the sum of its proper divisors (64382963).

634299853 is a wasteful number, since it uses less digits than its factorization.

634299853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559955.

The product of its digits is 1399680, while the sum is 49.

The square root of 634299853 is about 25185.3102621349. The cubic root of 634299853 is about 859.2077854151.

The spelling of 634299853 in words is "six hundred thirty-four million, two hundred ninety-nine thousand, eight hundred fifty-three".