634291 has 16 divisors (see below), whose sum is σ = 778240. Its totient is φ = 505440.

The previous prime is 634279. The next prime is 634301. The reversal of 634291 is 192436.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7990 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (48640).

2⁶³⁴²⁹¹ is an apocalyptic number.

634291 is a deficient number, since it is larger than the sum of its proper divisors (143949).

634291 is a wasteful number, since it uses less digits than its factorization.

634291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its digits is 1296, while the sum is 25.

The square root of 634291 is about 796.4238821130. The cubic root of 634291 is about 85.9203788041.

The spelling of 634291 in words is "six hundred thirty-four thousand, two hundred ninety-one".