199492252 has 12 divisors (see below), whose sum is σ = 356539680. Its totient is φ = 97623776.

The previous prime is 199492231. The next prime is 199492253. The reversal of 199492252 is 252294991.

It is a junction number, because it is equal to n+sod(n) for n = 199492199 and 199492208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199492253) 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, 530377 + ... + 530752.

It is an arithmetic number, because the mean of its divisors is an integer number (29711640).

Almost surely, 2^199492252 is an apocalyptic number.

It is an amenable number.

199492252 is a deficient number, since it is larger than the sum of its proper divisors (157047428).

199492252 is a wasteful number, since it uses less digits than its factorization.

199492252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061180 (or 1061178 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 199492252 is about 14124.1726129356. The cubic root of 199492252 is about 584.3082402007.

It can be divided in two parts, 19949 and 2252, that added together give a square (22201 = 149²).

The spelling of 199492252 in words is "one hundred ninety-nine million, four hundred ninety-two thousand, two hundred fifty-two".