2790490 has 16 divisors (see below), whose sum is σ = 5055048. Its totient is φ = 1109056.

The previous prime is 2790481. The next prime is 2790497. The reversal of 2790490 is 940972.

It can be written as a sum of positive squares in 4 ways, for example, as 2719201 + 71289 = 1649^2 + 267^2 .

It is not an unprimeable number, because it can be changed into a prime (2790497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 2536.

2^2790490 is an apocalyptic number.

2790490 is a deficient number, since it is larger than the sum of its proper divisors (2264558).

2790490 is a wasteful number, since it uses less digits than its factorization.

2790490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2790490 is about 1670.4759800727. The cubic root of 2790490 is about 140.7862226641.

The spelling of 2790490 in words is "two million, seven hundred ninety thousand, four hundred ninety".