808743420 has 48 divisors (see below), whose sum is σ = 2516092320. Its totient is φ = 215664768.

The previous prime is 808743401. The next prime is 808743443. The reversal of 808743420 is 24347808.

808743420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748297 + ... + 749376.

It is an arithmetic number, because the mean of its divisors is an integer number (52418590).

Almost surely, 2^808743420 is an apocalyptic number.

It is an amenable number.

808743420 is an abundant number, since it is smaller than the sum of its proper divisors (1707348900).

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

808743420 is a wasteful number, since it uses less digits than its factorization.

808743420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497691 (or 1497683 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 808743420 is about 28438.4145127678. The cubic root of 808743420 is about 931.6874669692.

The spelling of 808743420 in words is "eight hundred eight million, seven hundred forty-three thousand, four hundred twenty".