404423034 has 16 divisors (see below), whose sum is σ = 809258688. Its totient is φ = 134738912.

The previous prime is 404423021. The next prime is 404423059. The reversal of 404423034 is 430324404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404422995 and 404423013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3627 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (50578668).

Almost surely, 2^404423034 is an apocalyptic number.

404423034 is an abundant number, since it is smaller than the sum of its proper divisors (404835654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404423034 is a wasteful number, since it uses less digits than its factorization.

404423034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34389.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 404423034 is about 20110.2718529611. The cubic root of 404423034 is about 739.5121169283.

Adding to 404423034 its reverse (430324404), we get a palindrome (834747438).

The spelling of 404423034 in words is "four hundred four million, four hundred twenty-three thousand, thirty-four".