635385 has 8 divisors (see below), whose sum is σ = 1016640. Its totient is φ = 338864.

The previous prime is 635363. The next prime is 635387. The reversal of 635385 is 583536.

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 635385 - 2⁵ = 635353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (635387) 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, 21165 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (127080).

2⁶³⁵³⁸⁵ is an apocalyptic number.

It is an amenable number.

635385 is a deficient number, since it is larger than the sum of its proper divisors (381255).

635385 is a wasteful number, since it uses less digits than its factorization.

635385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42367.

The product of its digits is 10800, while the sum is 30.

The square root of 635385 is about 797.1104064055. The cubic root of 635385 is about 85.9697477874.

The spelling of 635385 in words is "six hundred thirty-five thousand, three hundred eighty-five".