2389400 has 48 divisors (see below), whose sum is σ = 5989200. Its totient is φ = 881280.

The previous prime is 2389391. The next prime is 2389403. The reversal of 2389400 is 49832.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2389400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (124775).

2^2389400 is an apocalyptic number.

2389400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2389400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2994600).

2389400 is an abundant number, since it is smaller than the sum of its proper divisors (3599800).

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

2389400 is a wasteful number, since it uses less digits than its factorization.

2389400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2389400 is about 1545.7684173252. The cubic root of 2389400 is about 133.6891882983.

The spelling of 2389400 in words is "two million, three hundred eighty-nine thousand, four hundred".