184474985 has 8 divisors (see below), whose sum is σ = 223562376. Its totient is φ = 146118400.

The previous prime is 184474981. The next prime is 184474991. The reversal of 184474985 is 589474481.

It can be written as a sum of positive squares in 4 ways, for example, as 113443801 + 71031184 = 10651^2 + 8428^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 184474985 - 2² = 184474981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184474981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182144 + ... + 183153.

It is an arithmetic number, because the mean of its divisors is an integer number (27945297).

Almost surely, 2^184474985 is an apocalyptic number.

It is an amenable number.

184474985 is a deficient number, since it is larger than the sum of its proper divisors (39087391).

184474985 is a wasteful number, since it uses less digits than its factorization.

184474985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365403.

The product of its digits is 1290240, while the sum is 50.

The square root of 184474985 is about 13582.1568611175. The cubic root of 184474985 is about 569.2623936116.

It can be divided in two parts, 18447 and 4985, that added together give a palindrome (23432).

The spelling of 184474985 in words is "one hundred eighty-four million, four hundred seventy-four thousand, nine hundred eighty-five".