634459 has 8 divisors (see below), whose sum is σ = 730080. Its totient is φ = 540096.

The previous prime is 634441. The next prime is 634471. The reversal of 634459 is 954436.

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 634459 - 2⁷ = 634331 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 3¹² + 4 + 4⁷ + 5⁷ + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634459.

It is not an unprimeable number, because it can be changed into a prime (634499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

2⁶³⁴⁴⁵⁹ is an apocalyptic number.

634459 is a deficient number, since it is larger than the sum of its proper divisors (95621).

634459 is a wasteful number, since it uses less digits than its factorization.

634459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its digits is 12960, while the sum is 31.

The square root of 634459 is about 796.5293466031. The cubic root of 634459 is about 85.9279638344.

The spelling of 634459 in words is "six hundred thirty-four thousand, four hundred fifty-nine".