404681032 has 16 divisors (see below), whose sum is σ = 867173760. Its totient is φ = 173434704.

The previous prime is 404680963. The next prime is 404681047. The reversal of 404681032 is 230186404.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 3613168 + ... + 3613279.

It is an arithmetic number, because the mean of its divisors is an integer number (54198360).

Almost surely, 2^404681032 is an apocalyptic number.

It is an amenable number.

404681032 is an abundant number, since it is smaller than the sum of its proper divisors (462492728).

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

404681032 is a wasteful number, since it uses less digits than its factorization.

404681032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226460 (or 7226456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 404681032 is about 20116.6854128606. The cubic root of 404681032 is about 739.6693385123.

It can be divided in two parts, 4046 and 81032, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 404681032 in words is "four hundred four million, six hundred eighty-one thousand, thirty-two".