404289352 has 16 divisors (see below), whose sum is σ = 782496000. Its totient is φ = 195623760.

The previous prime is 404289337. The next prime is 404289367. The reversal of 404289352 is 253982404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404289337) and next prime (404289367).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814852 + ... + 815347.

It is an arithmetic number, because the mean of its divisors is an integer number (48906000).

Almost surely, 2^404289352 is an apocalyptic number.

It is an amenable number.

404289352 is a deficient number, since it is larger than the sum of its proper divisors (378206648).

404289352 is a wasteful number, since it uses less digits than its factorization.

404289352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630236 (or 1630232 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 404289352 is about 20106.9478539136. The cubic root of 404289352 is about 739.4306260593.

The spelling of 404289352 in words is "four hundred four million, two hundred eighty-nine thousand, three hundred fifty-two".