6242399 has 4 divisors (see below), whose sum is σ = 6375264. Its totient is φ = 6109536.

The previous prime is 6242387. The next prime is 6242413. The reversal of 6242399 is 9932426.

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 6242399 - 2⁸ = 6242143 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6241399) 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 3 ways as a sum of consecutive naturals, for example, 66362 + ... + 66455.

It is an arithmetic number, because the mean of its divisors is an integer number (1593816).

Almost surely, 2^6242399 is an apocalyptic number.

6242399 is a deficient number, since it is larger than the sum of its proper divisors (132865).

6242399 is a wasteful number, since it uses less digits than its factorization.

6242399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132864.

The product of its digits is 23328, while the sum is 35.

The square root of 6242399 is about 2498.4793375171. The cubic root of 6242399 is about 184.1268717777.

The spelling of 6242399 in words is "six million, two hundred forty-two thousand, three hundred ninety-nine".