6242391 has 12 divisors (see below), whose sum is σ = 9144720. Its totient is φ = 4102560.

The previous prime is 6242387. The next prime is 6242413. The reversal of 6242391 is 1932426.

6242391 is a `hidden beast` number, since 624 + 2 + 39 + 1 = 666.

It is not a de Polignac number, because 6242391 - 2² = 6242387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6242891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4246 + ... + 5523.

It is an arithmetic number, because the mean of its divisors is an integer number (762060).

Almost surely, 2^6242391 is an apocalyptic number.

6242391 is a deficient number, since it is larger than the sum of its proper divisors (2902329).

6242391 is a wasteful number, since it uses less digits than its factorization.

6242391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846 (or 9843 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 6242391 is about 2498.4777365428. The cubic root of 6242391 is about 184.1267931212.

The spelling of 6242391 in words is "six million, two hundred forty-two thousand, three hundred ninety-one".