2392393 has 4 divisors (see below), whose sum is σ = 2533140. Its totient is φ = 2251648.

The previous prime is 2392373. The next prime is 2392421. The reversal of 2392393 is 3932932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2108304 + 284089 = 1452^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392393 - 2⁵ = 2392361 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2392303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70348 + ... + 70381.

It is an arithmetic number, because the mean of its divisors is an integer number (633285).

2^2392393 is an apocalyptic number.

It is an amenable number.

2392393 is a deficient number, since it is larger than the sum of its proper divisors (140747).

2392393 is a wasteful number, since it uses less digits than its factorization.

2392393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140746.

The product of its digits is 8748, while the sum is 31.

The square root of 2392393 is about 1546.7362412512. The cubic root of 2392393 is about 133.7449854003.

It can be divided in two parts, 239239 and 3, that multiplied together give a palindrome (717717).

The spelling of 2392393 in words is "two million, three hundred ninety-two thousand, three hundred ninety-three".