404685122 has 8 divisors (see below), whose sum is σ = 611458956. Its totient is φ = 200865472.

The previous prime is 404685121. The next prime is 404685139. The reversal of 404685122 is 221586404.

It can be written as a sum of positive squares in 2 ways, for example, as 362940601 + 41744521 = 19051^2 + 6461^2 .

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

It is not an unprimeable number, because it can be changed into a prime (404685121) 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, 738203 + ... + 738750.

Almost surely, 2^404685122 is an apocalyptic number.

404685122 is a deficient number, since it is larger than the sum of its proper divisors (206773834).

404685122 is a wasteful number, since it uses less digits than its factorization.

404685122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477092.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 404685122 is about 20116.7870695099. The cubic root of 404685122 is about 739.6718303821.

The spelling of 404685122 in words is "four hundred four million, six hundred eighty-five thousand, one hundred twenty-two".