635974 has 4 divisors (see below), whose sum is σ = 953964. Its totient is φ = 317986.

The previous prime is 635969. The next prime is 635977. The reversal of 635974 is 479536.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158992 + ... + 158995.

It is an arithmetic number, because the mean of its divisors is an integer number (238491).

2⁶³⁵⁹⁷⁴ is an apocalyptic number.

635974 is a deficient number, since it is larger than the sum of its proper divisors (317990).

635974 is a wasteful number, since it uses less digits than its factorization.

635974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317989.

The product of its digits is 22680, while the sum is 34.

The square root of 635974 is about 797.4797803079. The cubic root of 635974 is about 85.9963041498.

The spelling of 635974 in words is "six hundred thirty-five thousand, nine hundred seventy-four".