2889390 has 32 divisors (see below), whose sum is σ = 7925760. Its totient is φ = 660384.

The previous prime is 2889389. The next prime is 2889427. The reversal of 2889390 is 939882.

2889390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 6670 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (247680).

2^2889390 is an apocalyptic number.

2889390 is an abundant number, since it is smaller than the sum of its proper divisors (5036370).

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

2889390 is a wasteful number, since it uses less digits than its factorization.

2889390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2889390 is about 1699.8205787671. The cubic root of 2889390 is about 142.4301904910.

The spelling of 2889390 in words is "two million, eight hundred eighty-nine thousand, three hundred ninety".