190246849 has 9 divisors (see below), whose sum is σ = 206201289. Its totient is φ = 175446960.

The previous prime is 190246841. The next prime is 190246883. The reversal of 190246849 is 948642091.

The square root of 190246849 is 13793.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9828225 + 180418624 = 3135^2 + 13432^2 .

It is not a de Polignac number, because 190246849 - 2³ = 190246841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190246841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 178779 + ... + 179839.

Almost surely, 2^190246849 is an apocalyptic number.

190246849 is the 13793-rd square number.

190246849 is the 6897-th centered octagonal number.

It is an amenable number.

190246849 is a deficient number, since it is larger than the sum of its proper divisors (15954440).

190246849 is an frugal number, since it uses more digits than its factorization.

190246849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The cubic root of 190246849 is about 575.1385667308.

The spelling of 190246849 in words is "one hundred ninety million, two hundred forty-six thousand, eight hundred forty-nine".