182872393 has 4 divisors (see below), whose sum is σ = 199497168. Its totient is φ = 166247620.

The previous prime is 182872381. The next prime is 182872409. The reversal of 182872393 is 393278281.

182872393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-182872393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182872993) 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, 8312371 + ... + 8312392.

It is an arithmetic number, because the mean of its divisors is an integer number (49874292).

Almost surely, 2^182872393 is an apocalyptic number.

It is an amenable number.

182872393 is a deficient number, since it is larger than the sum of its proper divisors (16624775).

182872393 is a wasteful number, since it uses less digits than its factorization.

182872393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624774.

The product of its digits is 145152, while the sum is 43.

The square root of 182872393 is about 13523.0319455365. The cubic root of 182872393 is about 567.6091432973.

The spelling of 182872393 in words is "one hundred eighty-two million, eight hundred seventy-two thousand, three hundred ninety-three".