634371 has 4 divisors (see below), whose sum is σ = 845832. Its totient is φ = 422912.

The previous prime is 634367. The next prime is 634373. The reversal of 634371 is 173436.

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

It is a cyclic number.

It is not a de Polignac number, because 634371 - 2² = 634367 is a prime.

It is a D-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, 105726 + ... + 105731.

It is an arithmetic number, because the mean of its divisors is an integer number (211458).

2⁶³⁴³⁷¹ is an apocalyptic number.

634371 is a deficient number, since it is larger than the sum of its proper divisors (211461).

634371 is a wasteful number, since it uses less digits than its factorization.

634371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211460.

The product of its digits is 1512, while the sum is 24.

The square root of 634371 is about 796.4741050405. The cubic root of 634371 is about 85.9239908903.

The spelling of 634371 in words is "six hundred thirty-four thousand, three hundred seventy-one".