2489740 has 24 divisors (see below), whose sum is σ = 5704272. Its totient is φ = 905280.

The previous prime is 2489719. The next prime is 2489749. The reversal of 2489740 is 479842.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2489696 and 2489705.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5439 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (237678).

2^2489740 is an apocalyptic number.

2489740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489740 is an abundant number, since it is smaller than the sum of its proper divisors (3214532).

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

2489740 is a wasteful number, since it uses less digits than its factorization.

2489740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337 (or 11335 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2489740 is about 1577.8909975027. The cubic root of 2489740 is about 135.5349600928.

The spelling of 2489740 in words is "two million, four hundred eighty-nine thousand, seven hundred forty".