2439830 has 16 divisors (see below), whose sum is σ = 4412880. Its totient is φ = 971232.

The previous prime is 2439803. The next prime is 2439839. The reversal of 2439830 is 389342.

2439830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2439793 and 2439802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (275805).

2^2439830 is an apocalyptic number.

2439830 is a deficient number, since it is larger than the sum of its proper divisors (1973050).

2439830 is a wasteful number, since it uses less digits than its factorization.

2439830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2439830 is about 1561.9955185595. The cubic root of 2439830 is about 134.6231833054.

The spelling of 2439830 in words is "two million, four hundred thirty-nine thousand, eight hundred thirty".