636374 has 8 divisors (see below), whose sum is σ = 970920. Its totient is φ = 312736.

The previous prime is 636359. The next prime is 636403. The reversal of 636374 is 473636.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2579 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (121365).

2⁶³⁶³⁷⁴ is an apocalyptic number.

636374 is a deficient number, since it is larger than the sum of its proper divisors (334546).

636374 is a wasteful number, since it uses less digits than its factorization.

636374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454.

The product of its digits is 9072, while the sum is 29.

The square root of 636374 is about 797.7305309439. The cubic root of 636374 is about 86.0143296836.

The spelling of 636374 in words is "six hundred thirty-six thousand, three hundred seventy-four".