2489718 has 64 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 606720.

The previous prime is 2489717. The next prime is 2489719. The reversal of 2489718 is 8179842.

It is an interprime number because it is at equal distance from previous prime (2489717) and next prime (2489719).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7696 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (103032).

2^2489718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297024).

2489718 is an abundant number, since it is smaller than the sum of its proper divisors (4104330).

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

2489718 is a wasteful number, since it uses less digits than its factorization.

2489718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 32256, while the sum is 39.

The square root of 2489718 is about 1577.8840261565. The cubic root of 2489718 is about 135.5345608840.

The spelling of 2489718 in words is "two million, four hundred eighty-nine thousand, seven hundred eighteen".