185996049 has 16 divisors (see below), whose sum is σ = 255220224. Its totient is φ = 120412800.

The previous prime is 185996047. The next prime is 185996117. The reversal of 185996049 is 940699581.

It is not a de Polignac number, because 185996049 - 2¹ = 185996047 is a prime.

It is a super-3 number, since 3×185996049³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 185995992 and 185996010.

It is not an unprimeable number, because it can be changed into a prime (185996047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24039 + ... + 30819.

It is an arithmetic number, because the mean of its divisors is an integer number (15951264).

Almost surely, 2^185996049 is an apocalyptic number.

It is an amenable number.

185996049 is a deficient number, since it is larger than the sum of its proper divisors (69224175).

185996049 is a wasteful number, since it uses less digits than its factorization.

185996049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 185996049 is about 13638.0368455288. The cubic root of 185996049 is about 570.8227054882.

The spelling of 185996049 in words is "one hundred eighty-five million, nine hundred ninety-six thousand, forty-nine".