1804800916 has 12 divisors (see below), whose sum is σ = 3189673620. Its totient is φ = 893465600.

The previous prime is 1804800889. The next prime is 1804800919. The reversal of 1804800916 is 6190084081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1620384516 + 184416400 = 40254^2 + 13580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804800919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233261 + ... + 2234068.

It is an arithmetic number, because the mean of its divisors is an integer number (265806135).

Almost surely, 2^1804800916 is an apocalyptic number.

It is an amenable number.

1804800916 is a deficient number, since it is larger than the sum of its proper divisors (1384872704).

1804800916 is a wasteful number, since it uses less digits than its factorization.

1804800916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467434 (or 4467432 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1804800916 is about 42482.9485323229. The cubic root of 1804800916 is about 1217.5209257310.

Adding to 1804800916 its reverse (6190084081), we get a palindrome (7994884997).

The spelling of 1804800916 in words is "one billion, eight hundred four million, eight hundred thousand, nine hundred sixteen".