2799290 has 32 divisors (see below), whose sum is σ = 5530896. Its totient is φ = 1013760.

The previous prime is 2799281. The next prime is 2799299. The reversal of 2799290 is 929972.

It is an interprime number because it is at equal distance from previous prime (2799281) and next prime (2799299).

It can be written as a sum of positive squares in 8 ways, for example, as 80089 + 2719201 = 283^2 + 1649^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2799299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754 + ... + 8106.

2^2799290 is an apocalyptic number.

2799290 is a deficient number, since it is larger than the sum of its proper divisors (2731606).

2799290 is a wasteful number, since it uses less digits than its factorization.

2799290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 2799290 is about 1673.1078865393. The cubic root of 2799290 is about 140.9340603435.

It can be divided in two parts, 27992 and 90, that added together give a palindrome (28082).

The spelling of 2799290 in words is "two million, seven hundred ninety-nine thousand, two hundred ninety".