2390889 has 8 divisors (see below), whose sum is σ = 3195072. Its totient is φ = 1590320.

The previous prime is 2390887. The next prime is 2390893. The reversal of 2390889 is 9880932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2390889 - 2¹ = 2390887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2390887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (399384).

2^2390889 is an apocalyptic number.

It is an amenable number.

2390889 is a deficient number, since it is larger than the sum of its proper divisors (804183).

2390889 is a wasteful number, since it uses less digits than its factorization.

2390889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

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

The square root of 2390889 is about 1546.2499797898. The cubic root of 2390889 is about 133.7169528509.

The spelling of 2390889 in words is "two million, three hundred ninety thousand, eight hundred eighty-nine".