6245839 has 4 divisors (see below), whose sum is σ = 6261520. Its totient is φ = 6230160.

The previous prime is 6245831. The next prime is 6245873. The reversal of 6245839 is 9385426.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6245839 - 2³ = 6245831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6245798 and 6245807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7227 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (1565380).

Almost surely, 2^6245839 is an apocalyptic number.

6245839 is a deficient number, since it is larger than the sum of its proper divisors (15681).

6245839 is a wasteful number, since it uses less digits than its factorization.

6245839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680.

The product of its digits is 51840, while the sum is 37.

The square root of 6245839 is about 2499.1676614425. The cubic root of 6245839 is about 184.1606878435.

The spelling of 6245839 in words is "six million, two hundred forty-five thousand, eight hundred thirty-nine".