2889423 has 6 divisors (see below), whose sum is σ = 4173624. Its totient is φ = 1926276.

The previous prime is 2889389. The next prime is 2889427. The reversal of 2889423 is 3249882.

It is not a de Polignac number, because 2889423 - 2²⁰ = 1840847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160515 + ... + 160532.

It is an arithmetic number, because the mean of its divisors is an integer number (695604).

2^2889423 is an apocalyptic number.

2889423 is a deficient number, since it is larger than the sum of its proper divisors (1284201).

2889423 is a wasteful number, since it uses less digits than its factorization.

2889423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321053 (or 321050 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2889423 is about 1699.8302856462. The cubic root of 2889423 is about 142.4307327253.

The spelling of 2889423 in words is "two million, eight hundred eighty-nine thousand, four hundred twenty-three".