804239144 has 32 divisors (see below), whose sum is σ = 1592416800. Its totient is φ = 379730880.

The previous prime is 804239143. The next prime is 804239147. The reversal of 804239144 is 441932408.

It is not an unprimeable number, because it can be changed into a prime (804239143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39839 + ... + 56529.

It is an arithmetic number, because the mean of its divisors is an integer number (49763025).

Almost surely, 2^804239144 is an apocalyptic number.

It is an amenable number.

804239144 is a deficient number, since it is larger than the sum of its proper divisors (788177656).

804239144 is a wasteful number, since it uses less digits than its factorization.

804239144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17033 (or 17029 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 804239144 is about 28359.1104232837. The cubic root of 804239144 is about 929.9545759600.

The spelling of 804239144 in words is "eight hundred four million, two hundred thirty-nine thousand, one hundred forty-four".