2489388 has 24 divisors (see below), whose sum is σ = 6336960. Its totient is φ = 754320.

The previous prime is 2489381. The next prime is 2489411. The reversal of 2489388 is 8839842.

It is a happy number.

It is a super-2 number, since 2×2489388² = 12394105229088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2489381) 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, 9298 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (264040).

2^2489388 is an apocalyptic number.

It is an amenable number.

2489388 is an abundant number, since it is smaller than the sum of its proper divisors (3847572).

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

2489388 is a wasteful number, since it uses less digits than its factorization.

2489388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877 (or 18875 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 2489388 is about 1577.7794522683. The cubic root of 2489388 is about 135.5285724707.

The spelling of 2489388 in words is "two million, four hundred eighty-nine thousand, three hundred eighty-eight".