422379 has 12 divisors (see below), whose sum is σ = 619632. Its totient is φ = 277200.

The previous prime is 422377. The next prime is 422393. The reversal of 422379 is 973224.

It is not a de Polignac number, because 422379 - 2¹ = 422377 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422379.

It is not an unprimeable number, because it can be changed into a prime (422377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (51636).

2⁴²²³⁷⁹ is an apocalyptic number.

422379 is a deficient number, since it is larger than the sum of its proper divisors (197253).

422379 is a wasteful number, since it uses less digits than its factorization.

422379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 735 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 422379 is about 649.9069164119. The cubic root of 422379 is about 75.0298547810.

The spelling of 422379 in words is "four hundred twenty-two thousand, three hundred seventy-nine".