8242393 has 4 divisors (see below), whose sum is σ = 8277120. Its totient is φ = 8207668.

The previous prime is 8242363. The next prime is 8242411. The reversal of 8242393 is 3932428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8242393 - 2⁵ = 8242361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242363) 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, 17005 + ... + 17482.

It is an arithmetic number, because the mean of its divisors is an integer number (2069280).

Almost surely, 2^8242393 is an apocalyptic number.

It is an amenable number.

8242393 is a deficient number, since it is larger than the sum of its proper divisors (34727).

8242393 is a wasteful number, since it uses less digits than its factorization.

8242393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34726.

The product of its digits is 10368, while the sum is 31.

The square root of 8242393 is about 2870.9568091492. The cubic root of 8242393 is about 201.9998774629. Note that the first 3 decimals are identical.

The spelling of 8242393 in words is "eight million, two hundred forty-two thousand, three hundred ninety-three".