2439388 has 12 divisors (see below), whose sum is σ = 4878832. Its totient is φ = 1045440.

The previous prime is 2439379. The next prime is 2439389. The reversal of 2439388 is 8839342.

2439388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2439388 is an admirable number.

It is a super-2 number, since 2×2439388² = 11901227629088, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439389) 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 3 ways as a sum of consecutive naturals, for example, 43533 + ... + 43588.

2^2439388 is an apocalyptic number.

2439388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2439388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2439388 is a wasteful number, since it uses less digits than its factorization.

2439388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87132 (or 87130 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2439388 is about 1561.8540264698. The cubic root of 2439388 is about 134.6150533618.

The spelling of 2439388 in words is "two million, four hundred thirty-nine thousand, three hundred eighty-eight".