2864290 has 32 divisors (see below), whose sum is σ = 6060096. Its totient is φ = 960960.

The previous prime is 2864261. The next prime is 2864291. The reversal of 2864290 is 924682.

2864290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2864291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (189378).

2^2864290 is an apocalyptic number.

2864290 is an abundant number, since it is smaller than the sum of its proper divisors (3195806).

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

2864290 is a wasteful number, since it uses less digits than its factorization.

2864290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2864290 is about 1692.4213423377. The cubic root of 2864290 is about 142.0165622420.

The spelling of 2864290 in words is "two million, eight hundred sixty-four thousand, two hundred ninety".