400848804 has 24 divisors (see below), whose sum is σ = 1039237920. Its totient is φ = 133616232.

The previous prime is 400848803. The next prime is 400848809. The reversal of 400848804 is 408848004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (400848803) by changing a digit.

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, 1855674 + ... + 1855889.

It is an arithmetic number, because the mean of its divisors is an integer number (43301580).

Almost surely, 2^400848804 is an apocalyptic number.

It is an amenable number.

400848804 is an abundant number, since it is smaller than the sum of its proper divisors (638389116).

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

400848804 is a wasteful number, since it uses less digits than its factorization.

400848804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711576 (or 3711568 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 400848804 is about 20021.2088546122. The cubic root of 400848804 is about 737.3271016314.

The spelling of 400848804 in words is "four hundred million, eight hundred forty-eight thousand, eight hundred four".