6249439 has 4 divisors (see below), whose sum is σ = 7142224. Its totient is φ = 5356656.

The previous prime is 6249433. The next prime is 6249443. The reversal of 6249439 is 9349426.

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 6249439 - 2⁵ = 6249407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6249398 and 6249407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249433) 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, 446382 + ... + 446395.

It is an arithmetic number, because the mean of its divisors is an integer number (1785556).

Almost surely, 2^6249439 is an apocalyptic number.

6249439 is a deficient number, since it is larger than the sum of its proper divisors (892785).

6249439 is an equidigital number, since it uses as much as digits as its factorization.

6249439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892784.

The product of its digits is 46656, while the sum is 37.

The square root of 6249439 is about 2499.8877974821. The cubic root of 6249439 is about 184.1960634560.

The spelling of 6249439 in words is "six million, two hundred forty-nine thousand, four hundred thirty-nine".