634814 has 8 divisors (see below), whose sum is σ = 1008288. Its totient is φ = 298720.

The previous prime is 634807. The next prime is 634817. The reversal of 634814 is 418436.

634814 is nontrivially palindromic in base 7.

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

634814 is an undulating number in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634814.

It is not an unprimeable number, because it can be changed into a prime (634817) by changing a digit.

634814 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9302 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (126036).

2⁶³⁴⁸¹⁴ is an apocalyptic number.

634814 is a deficient number, since it is larger than the sum of its proper divisors (373474).

634814 is a wasteful number, since it uses less digits than its factorization.

634814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18690.

The product of its digits is 2304, while the sum is 26.

The square root of 634814 is about 796.7521571982. The cubic root of 634814 is about 85.9439873229.

The spelling of 634814 in words is "six hundred thirty-four thousand, eight hundred fourteen".