840801904 has 10 divisors (see below), whose sum is σ = 1629053720. Its totient is φ = 420400944.

The previous prime is 840801893. The next prime is 840801953. The reversal of 840801904 is 409108048.

840801904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 840801904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275044 + ... + 26275075.

It is an arithmetic number, because the mean of its divisors is an integer number (162905372).

Almost surely, 2^840801904 is an apocalyptic number.

It is an amenable number.

840801904 is a deficient number, since it is larger than the sum of its proper divisors (788251816).

840801904 is a wasteful number, since it uses less digits than its factorization.

840801904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550127 (or 52550121 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 840801904 is about 28996.5843505748. The cubic root of 840801904 is about 943.8389495917.

The spelling of 840801904 in words is "eight hundred forty million, eight hundred one thousand, nine hundred four".