634631367 has 8 divisors (see below), whose sum is σ = 865853824. Its totient is φ = 413248248.

The previous prime is 634631357. The next prime is 634631399. The reversal of 634631367 is 763136436.

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

It is not a de Polignac number, because 634631367 - 2⁴ = 634631351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634631357) 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, 2459683 + ... + 2459940.

It is an arithmetic number, because the mean of its divisors is an integer number (108231728).

Almost surely, 2^634631367 is an apocalyptic number.

634631367 is a deficient number, since it is larger than the sum of its proper divisors (231222457).

634631367 is a wasteful number, since it uses less digits than its factorization.

634631367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919669.

The product of its digits is 163296, while the sum is 39.

The square root of 634631367 is about 25191.8908976678. The cubic root of 634631367 is about 859.3574463888.

The spelling of 634631367 in words is "six hundred thirty-four million, six hundred thirty-one thousand, three hundred sixty-seven".