2489970 has 64 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 557760.

The previous prime is 2489947. The next prime is 2489999. The reversal of 2489970 is 799842.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14827 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

2^2489970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483648).

2489970 is an abundant number, since it is smaller than the sum of its proper divisors (4477326).

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

2489970 is a wasteful number, since it uses less digits than its factorization.

2489970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2489970 is about 1577.9638779136. The cubic root of 2489970 is about 135.5391334979.

The spelling of 2489970 in words is "two million, four hundred eighty-nine thousand, nine hundred seventy".