2866290 has 32 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 655104.

The previous prime is 2866289. The next prime is 2866309. The reversal of 2866290 is 926682.

It is an unprimeable number.

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, 6615 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

2^2866290 is an apocalyptic number.

2866290 is an abundant number, since it is smaller than the sum of its proper divisors (4996110).

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

2866290 is a wasteful number, since it uses less digits than its factorization.

2866290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2866290 is about 1693.0121086395. The cubic root of 2866290 is about 142.0496090635.

The spelling of 2866290 in words is "two million, eight hundred sixty-six thousand, two hundred ninety".