2389387 has 36 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 1663200.

The previous prime is 2389379. The next prime is 2389391. The reversal of 2389387 is 7839832.

It is a happy number.

2389387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2389387 - 2³ = 2389379 is a prime.

2389387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2380387) 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 35 ways as a sum of consecutive naturals, for example, 77062 + ... + 77092.

2^2389387 is an apocalyptic number.

2389387 is a deficient number, since it is larger than the sum of its proper divisors (1006901).

2389387 is a wasteful number, since it uses less digits than its factorization.

2389387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 62 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 2389387 is about 1545.7642122911. The cubic root of 2389387 is about 133.6889458438.

The spelling of 2389387 in words is "two million, three hundred eighty-nine thousand, three hundred eighty-seven".