184420393 has 4 divisors (see below), whose sum is σ = 184521040. Its totient is φ = 184319748.

The previous prime is 184420391. The next prime is 184420427. The reversal of 184420393 is 393024481.

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 184420393 - 2¹ = 184420391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184420391) 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, 47523 + ... + 51256.

It is an arithmetic number, because the mean of its divisors is an integer number (46130260).

Almost surely, 2^184420393 is an apocalyptic number.

It is an amenable number.

184420393 is a deficient number, since it is larger than the sum of its proper divisors (100647).

184420393 is an equidigital number, since it uses as much as digits as its factorization.

184420393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100646.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 184420393 is about 13580.1470168772. The cubic root of 184420393 is about 569.2062338046.

The spelling of 184420393 in words is "one hundred eighty-four million, four hundred twenty thousand, three hundred ninety-three".