8427393 has 48 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 4603392.

The previous prime is 8427337. The next prime is 8427401. The reversal of 8427393 is 3937248.

8427393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8427393 - 2¹⁴ = 8411009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8427323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37680 + ... + 37902.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 2^8427393 is an apocalyptic number.

It is an amenable number.

8427393 is a deficient number, since it is larger than the sum of its proper divisors (6249087).

8427393 is a wasteful number, since it uses less digits than its factorization.

8427393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 275 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 8427393 is about 2902.9972442288. The cubic root of 8427393 is about 203.5000010061.

The spelling of 8427393 in words is "eight million, four hundred twenty-seven thousand, three hundred ninety-three".