184490089 has 4 divisors (see below), whose sum is σ = 210845824. Its totient is φ = 158134356.

The previous prime is 184490071. The next prime is 184490123. The reversal of 184490089 is 980094481.

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, and also an emirpimes, since its reverse is a distinct semiprime: 980094481 = 31 ⋅31615951.

It is a cyclic number.

It is not a de Polignac number, because 184490089 - 2⁷ = 184489961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (184490039) 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, 13177857 + ... + 13177870.

It is an arithmetic number, because the mean of its divisors is an integer number (52711456).

Almost surely, 2^184490089 is an apocalyptic number.

It is an amenable number.

184490089 is a deficient number, since it is larger than the sum of its proper divisors (26355735).

184490089 is an equidigital number, since it uses as much as digits as its factorization.

184490089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26355734.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 184490089 is about 13582.7128733549. The cubic root of 184490089 is about 569.2779294209.

The spelling of 184490089 in words is "one hundred eighty-four million, four hundred ninety thousand, eighty-nine".