2870290 has 32 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 1081920.

The previous prime is 2870279. The next prime is 2870323. The reversal of 2870290 is 920782.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14472 + ... + 14668.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

2^2870290 is an apocalyptic number.

2870290 is a deficient number, since it is larger than the sum of its proper divisors (2604014).

2870290 is a wasteful number, since it uses less digits than its factorization.

2870290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2870290 is about 1694.1930232414. The cubic root of 2870290 is about 142.1156566171.

It can be divided in two parts, 2870 and 290, that added together give a triangular number (3160 = T₇₉).

The spelling of 2870290 in words is "two million, eight hundred seventy thousand, two hundred ninety".