2902090 has 8 divisors (see below), whose sum is σ = 5223780. Its totient is φ = 1160832.

The previous prime is 2902063. The next prime is 2902091. The reversal of 2902090 is 902092.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 123201 = 1667^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2902091) 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, 145095 + ... + 145114.

2^2902090 is an apocalyptic number.

2902090 is a deficient number, since it is larger than the sum of its proper divisors (2321690).

2902090 is a wasteful number, since it uses less digits than its factorization.

2902090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290216.

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

The square root of 2902090 is about 1703.5521711999. The cubic root of 2902090 is about 142.6385643059.

The spelling of 2902090 in words is "two million, nine hundred two thousand, ninety".