182489989 has 4 divisors (see below), whose sum is σ = 199080000. Its totient is φ = 165899980.

The previous prime is 182489959. The next prime is 182490001. The reversal of 182489989 is 989984281.

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 182489989 - 2⁹ = 182489477 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182489929) 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, 8294989 + ... + 8295010.

It is an arithmetic number, because the mean of its divisors is an integer number (49770000).

Almost surely, 2^182489989 is an apocalyptic number.

It is an amenable number.

182489989 is a deficient number, since it is larger than the sum of its proper divisors (16590011).

182489989 is a wasteful number, since it uses less digits than its factorization.

182489989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590010.

The product of its digits is 2985984, while the sum is 58.

The square root of 182489989 is about 13508.8855572915. The cubic root of 182489989 is about 567.2132251849.

The spelling of 182489989 in words is "one hundred eighty-two million, four hundred eighty-nine thousand, nine hundred eighty-nine".