2900290 has 32 divisors (see below), whose sum is σ = 5514480. Its totient is φ = 1096704.

The previous prime is 2900281. The next prime is 2900297. The reversal of 2900290 is 920092.

It can be written as a sum of positive squares in 8 ways, for example, as 1505529 + 1394761 = 1227^2 + 1181^2 .

It is not an unprimeable number, because it can be changed into a prime (2900297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21102 + ... + 21238.

2^2900290 is an apocalyptic number.

2900290 is a deficient number, since it is larger than the sum of its proper divisors (2614190).

2900290 is a wasteful number, since it uses less digits than its factorization.

2900290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2900290 is about 1703.0237813959. The cubic root of 2900290 is about 142.6090680330.

It can be divided in two parts, 29002 and 90, that added together give a palindrome (29092).

The spelling of 2900290 in words is "two million, nine hundred thousand, two hundred ninety".