2890638 has 12 divisors (see below), whose sum is σ = 6263088. Its totient is φ = 963540.

The previous prime is 2890637. The next prime is 2890649. The reversal of 2890638 is 8360982.

2890638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890637) 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 5 ways as a sum of consecutive naturals, for example, 80278 + ... + 80313.

It is an arithmetic number, because the mean of its divisors is an integer number (521924).

2^2890638 is an apocalyptic number.

2890638 is an abundant number, since it is smaller than the sum of its proper divisors (3372450).

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

2890638 is a wasteful number, since it uses less digits than its factorization.

2890638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160599 (or 160596 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2890638 is about 1700.1876367037. The cubic root of 2890638 is about 142.4506939297.

The spelling of 2890638 in words is "two million, eight hundred ninety thousand, six hundred thirty-eight".