635423379 has 8 divisors (see below), whose sum is σ = 876446160. Its totient is φ = 409008096.

The previous prime is 635423363. The next prime is 635423401. The reversal of 635423379 is 973324536.

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

It is not a de Polignac number, because 635423379 - 2⁴ = 635423363 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 635423379.

It is not an unprimeable number, because it can be changed into a prime (635423359) 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, 3651772 + ... + 3651945.

It is an arithmetic number, because the mean of its divisors is an integer number (109555770).

Almost surely, 2^635423379 is an apocalyptic number.

635423379 is a deficient number, since it is larger than the sum of its proper divisors (241022781).

635423379 is a wasteful number, since it uses less digits than its factorization.

635423379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303749.

The product of its digits is 408240, while the sum is 42.

The square root of 635423379 is about 25207.6055784757. The cubic root of 635423379 is about 859.7147868889.

The spelling of 635423379 in words is "six hundred thirty-five million, four hundred twenty-three thousand, three hundred seventy-nine".