912004820 has 24 divisors (see below), whose sum is σ = 1961924328. Its totient is φ = 355904000.

The previous prime is 912004787. The next prime is 912004843. The reversal of 912004820 is 28400219.

912004820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 911677636 = 572^2 + 30194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 912004820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555281 + ... + 556920.

It is an arithmetic number, because the mean of its divisors is an integer number (81746847).

Almost surely, 2^912004820 is an apocalyptic number.

It is an amenable number.

912004820 is an abundant number, since it is smaller than the sum of its proper divisors (1049919508).

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

912004820 is a wasteful number, since it uses less digits than its factorization.

912004820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112251 (or 1112249 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 912004820 is about 30199.4175440521. The cubic root of 912004820 is about 969.7632255899.

The spelling of 912004820 in words is "nine hundred twelve million, four thousand, eight hundred twenty".