2489742 has 12 divisors (see below), whose sum is σ = 5394480. Its totient is φ = 829908.

The previous prime is 2489719. The next prime is 2489749. The reversal of 2489742 is 2479842.

It is a junction number, because it is equal to n+sod(n) for n = 2489697 and 2489706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69142 + ... + 69177.

It is an arithmetic number, because the mean of its divisors is an integer number (449540).

2^2489742 is an apocalyptic number.

2489742 is an abundant number, since it is smaller than the sum of its proper divisors (2904738).

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

2489742 is a wasteful number, since it uses less digits than its factorization.

2489742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138327 (or 138324 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2489742 is about 1577.8916312599. The cubic root of 2489742 is about 135.5349963844.

The spelling of 2489742 in words is "two million, four hundred eighty-nine thousand, seven hundred forty-two".