2390888 has 8 divisors (see below), whose sum is σ = 4482930. Its totient is φ = 1195440.

The previous prime is 2390887. The next prime is 2390893. The reversal of 2390888 is 8880932.

2390888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1747684 + 643204 = 1322^2 + 802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2390887) 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 as a sum of consecutive naturals, namely, 149423 + ... + 149438.

2^2390888 is an apocalyptic number.

It is an amenable number.

2390888 is a deficient number, since it is larger than the sum of its proper divisors (2092042).

2390888 is a wasteful number, since it uses less digits than its factorization.

2390888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298867 (or 298863 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2390888 is about 1546.2496564268. The cubic root of 2390888 is about 133.7169342083.

The spelling of 2390888 in words is "two million, three hundred ninety thousand, eight hundred eighty-eight".