404285134 has 8 divisors (see below), whose sum is σ = 661557528. Its totient is φ = 183765960.

The previous prime is 404285131. The next prime is 404285149. The reversal of 404285134 is 431582404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404285096 and 404285105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404285131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9188277 + ... + 9188320.

It is an arithmetic number, because the mean of its divisors is an integer number (82694691).

Almost surely, 2^404285134 is an apocalyptic number.

404285134 is a deficient number, since it is larger than the sum of its proper divisors (257272394).

404285134 is a wasteful number, since it uses less digits than its factorization.

404285134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376610.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 404285134 is about 20106.8429645233. The cubic root of 404285134 is about 739.4280545271.

The spelling of 404285134 in words is "four hundred four million, two hundred eighty-five thousand, one hundred thirty-four".