804043988 has 48 divisors (see below), whose sum is σ = 1562803200. Its totient is φ = 358906080.

The previous prime is 804043979. The next prime is 804043997. The reversal of 804043988 is 889340408.

It is an interprime number because it is at equal distance from previous prime (804043979) and next prime (804043997).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788543 + ... + 789561.

It is an arithmetic number, because the mean of its divisors is an integer number (32558400).

Almost surely, 2^804043988 is an apocalyptic number.

It is an amenable number.

804043988 is a deficient number, since it is larger than the sum of its proper divisors (758759212).

804043988 is a wasteful number, since it uses less digits than its factorization.

804043988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 804043988 is about 28355.6694154802. The cubic root of 804043988 is about 929.8793492075.

The spelling of 804043988 in words is "eight hundred four million, forty-three thousand, nine hundred eighty-eight".