2890686 has 16 divisors (see below), whose sum is σ = 6033024. Its totient is φ = 921624.

The previous prime is 2890669. The next prime is 2890687. The reversal of 2890686 is 6860982.

2890686 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10336 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (377064).

2^2890686 is an apocalyptic number.

2890686 is an abundant number, since it is smaller than the sum of its proper divisors (3142338).

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

2890686 is a wasteful number, since it uses less digits than its factorization.

2890686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20975.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2890686 is about 1700.2017527341. The cubic root of 2890686 is about 142.4514824056.

The spelling of 2890686 in words is "two million, eight hundred ninety thousand, six hundred eighty-six".