2423889 has 12 divisors (see below), whose sum is σ = 3770676. Its totient is φ = 1491552.

The previous prime is 2423873. The next prime is 2423891. The reversal of 2423889 is 9883242.

2423889 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 2 ways, for example, as 173889 + 2250000 = 417^2 + 1500^2 .

It is not a de Polignac number, because 2423889 - 2⁴ = 2423873 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423489) 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 11 ways as a sum of consecutive naturals, for example, 10242 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (314223).

2^2423889 is an apocalyptic number.

It is an amenable number.

2423889 is a deficient number, since it is larger than the sum of its proper divisors (1346787).

2423889 is a wasteful number, since it uses less digits than its factorization.

2423889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736 (or 20733 counting only the distinct ones).

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

The square root of 2423889 is about 1556.8843887714. The cubic root of 2423889 is about 134.3293487616.

The spelling of 2423889 in words is "two million, four hundred twenty-three thousand, eight hundred eighty-nine".