2389896 has 48 divisors (see below), whose sum is σ = 6817200. Its totient is φ = 754272.

The previous prime is 2389889. The next prime is 2389901. The reversal of 2389896 is 6989832.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (142025).

2^2389896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2389896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408600).

2389896 is an abundant number, since it is smaller than the sum of its proper divisors (4427304).

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

2389896 is a wasteful number, since it uses less digits than its factorization.

2389896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1771 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2389896 is about 1545.9288470043. The cubic root of 2389896 is about 133.6984382145.

The spelling of 2389896 in words is "two million, three hundred eighty-nine thousand, eight hundred ninety-six".