199492852 has 12 divisors (see below), whose sum is σ = 375967396. Its totient is φ = 92073600.

The previous prime is 199492847. The next prime is 199492861. The reversal of 199492852 is 258294991.

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 170720356 = 5364^2 + 13066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 199492796 and 199492805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918149 + ... + 1918252.

Almost surely, 2^199492852 is an apocalyptic number.

It is an amenable number.

199492852 is a deficient number, since it is larger than the sum of its proper divisors (176474544).

199492852 is a wasteful number, since it uses less digits than its factorization.

199492852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836418 (or 3836416 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 199492852 is about 14124.1938531018. The cubic root of 199492852 is about 584.3088259955.

It can be divided in two parts, 19949 and 2852, that added together give a square (22801 = 151²).

The spelling of 199492852 in words is "one hundred ninety-nine million, four hundred ninety-two thousand, eight hundred fifty-two".