635379 has 16 divisors (see below), whose sum is σ = 910080. Its totient is φ = 393120.

The previous prime is 635363. The next prime is 635387. The reversal of 635379 is 973536.

It is not a de Polignac number, because 635379 - 2⁴ = 635363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3969 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (56880).

2⁶³⁵³⁷⁹ is an apocalyptic number.

635379 is a deficient number, since it is larger than the sum of its proper divisors (274701).

635379 is a wasteful number, since it uses less digits than its factorization.

635379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its digits is 17010, while the sum is 33.

The square root of 635379 is about 797.1066428026. The cubic root of 635379 is about 85.9694771798.

It can be divided in two parts, 63537 and 9, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 635379 in words is "six hundred thirty-five thousand, three hundred seventy-nine".