2804599890 has 40 divisors (see below), whose sum is σ = 7541259660. Its totient is φ = 747893088.

The previous prime is 2804599877. The next prime is 2804599891. The reversal of 2804599890 is 989954082.

It can be written as a sum of positive squares in 2 ways, for example, as 2750268249 + 54331641 = 52443^2 + 7371^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2804599891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1730425 + ... + 1732044.

Almost surely, 2^2804599890 is an apocalyptic number.

2804599890 is an abundant number, since it is smaller than the sum of its proper divisors (4736659770).

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

2804599890 is a wasteful number, since it uses less digits than its factorization.

2804599890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462488 (or 3462479 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 2804599890 is about 52958.4732597155. The cubic root of 2804599890 is about 1410.2311526872.

The spelling of 2804599890 in words is "two billion, eight hundred four million, five hundred ninety-nine thousand, eight hundred ninety".