635612 has 12 divisors (see below), whose sum is σ = 1121736. Its totient is φ = 315120.

The previous prime is 635603. The next prime is 635617. The reversal of 635612 is 216536.

It is a super-2 number, since 2×635612² = 808005229088, which contains 22 as substring.

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 (635617) by changing a digit.

635612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (93478).

2⁶³⁵⁶¹² is an apocalyptic number.

It is an amenable number.

635612 is a deficient number, since it is larger than the sum of its proper divisors (486124).

635612 is a wasteful number, since it uses less digits than its factorization.

635612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 635612 is about 797.2527829992. The cubic root of 635612 is about 85.9799845253.

The spelling of 635612 in words is "six hundred thirty-five thousand, six hundred twelve".