2406839 has 8 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 2331000.

The previous prime is 2406821. The next prime is 2406847. The reversal of 2406839 is 9386042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2406839 - 2⁸ = 2406583 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406139) 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, 9464 + ... + 9714.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^2406839 is an apocalyptic number.

2406839 is a deficient number, since it is larger than the sum of its proper divisors (76873).

2406839 is a wasteful number, since it uses less digits than its factorization.

2406839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2406839 is about 1551.3990460227. The cubic root of 2406839 is about 134.0136430751.

The spelling of 2406839 in words is "two million, four hundred six thousand, eight hundred thirty-nine".