404290470 has 32 divisors (see below), whose sum is σ = 970875360. Its totient is φ = 107746560.

The previous prime is 404290457. The next prime is 404290477. The reversal of 404290470 is 74092404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404290477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68850 + ... + 74490.

It is an arithmetic number, because the mean of its divisors is an integer number (30339855).

Almost surely, 2^404290470 is an apocalyptic number.

404290470 is an abundant number, since it is smaller than the sum of its proper divisors (566584890).

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

404290470 is a wasteful number, since it uses less digits than its factorization.

404290470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 404290470 is about 20106.9756552297. The cubic root of 404290470 is about 739.4313076525.

The spelling of 404290470 in words is "four hundred four million, two hundred ninety thousand, four hundred seventy".