2489842 has 16 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1177792.

The previous prime is 2489831. The next prime is 2489849.

2489842 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2489849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4959 + ... + 5437.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

2^2489842 is an apocalyptic number.

2489842 is a deficient number, since it is larger than the sum of its proper divisors (1449998).

2489842 is a wasteful number, since it uses less digits than its factorization.

2489842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its digits is 36864, while the sum is 37.

The square root of 2489842 is about 1577.9233187959. The cubic root of 2489842 is about 135.5368109389.

The spelling of 2489842 in words is "two million, four hundred eighty-nine thousand, eight hundred forty-two".