2439870 has 32 divisors (see below), whose sum is σ = 5902848. Its totient is φ = 645408.

The previous prime is 2439839. The next prime is 2439881. The reversal of 2439870 is 789342.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4767 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

2^2439870 is an apocalyptic number.

2439870 is an abundant number, since it is smaller than the sum of its proper divisors (3462978).

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

2439870 is a wasteful number, since it uses less digits than its factorization.

2439870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2439870 is about 1562.0083226411. The cubic root of 2439870 is about 134.6239189984.

The spelling of 2439870 in words is "two million, four hundred thirty-nine thousand, eight hundred seventy".