634379 has 4 divisors (see below), whose sum is σ = 649176. Its totient is φ = 619584.

The previous prime is 634373. The next prime is 634397. The reversal of 634379 is 973436.

634379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7334 + ... + 7419.

It is an arithmetic number, because the mean of its divisors is an integer number (162294).

2⁶³⁴³⁷⁹ is an apocalyptic number.

634379 is a deficient number, since it is larger than the sum of its proper divisors (14797).

634379 is a wasteful number, since it uses less digits than its factorization.

634379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796.

The product of its digits is 13608, while the sum is 32.

The square root of 634379 is about 796.4791271590. The cubic root of 634379 is about 85.9243520822.

The spelling of 634379 in words is "six hundred thirty-four thousand, three hundred seventy-nine".