400448084 has 24 divisors (see below), whose sum is σ = 717026688. Its totient is φ = 195599360.

The previous prime is 400448057. The next prime is 400448099. The reversal of 400448084 is 480844004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 400448084.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118847 + ... + 122169.

It is an arithmetic number, because the mean of its divisors is an integer number (29876112).

Almost surely, 2^400448084 is an apocalyptic number.

It is an amenable number.

400448084 is a deficient number, since it is larger than the sum of its proper divisors (316578604).

400448084 is a wasteful number, since it uses less digits than its factorization.

400448084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 400448084 is about 20011.1989645798. The cubic root of 400448084 is about 737.0813229874.

The spelling of 400448084 in words is "four hundred million, four hundred forty-eight thousand, eighty-four".