6248639 has 16 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 5577600.

The previous prime is 6248633. The next prime is 6248651. The reversal of 6248639 is 9368426.

6248639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6248639 - 2¹⁶ = 6183103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6248633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37334 + ... + 37500.

It is an arithmetic number, because the mean of its divisors is an integer number (435456).

Almost surely, 2^6248639 is an apocalyptic number.

6248639 is a deficient number, since it is larger than the sum of its proper divisors (718657).

6248639 is a wasteful number, since it uses less digits than its factorization.

6248639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 62208, while the sum is 38.

The square root of 6248639 is about 2499.7277851798. The cubic root of 6248639 is about 184.1882033831.

The spelling of 6248639 in words is "six million, two hundred forty-eight thousand, six hundred thirty-nine".