200191492 has 12 divisors (see below), whose sum is σ = 350536396. Its totient is φ = 100038240.

The previous prime is 200191487. The next prime is 200191499. The reversal of 200191492 is 294191002.

It is a happy number.

200191492 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 81468676 + 118722816 = 9026^2 + 10896^2 .

It is a super-3 number, since 3×200191492³ (a number of 26 digits) contains 333 as substring.

200191492 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 200191492.

It is not an unprimeable number, because it can be changed into a prime (200191499) 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, 6003 + ... + 20890.

Almost surely, 2^200191492 is an apocalyptic number.

It is an amenable number.

200191492 is a deficient number, since it is larger than the sum of its proper divisors (150344904).

200191492 is a wasteful number, since it uses less digits than its factorization.

200191492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28758 (or 28756 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 200191492 is about 14148.9042685291. The cubic root of 200191492 is about 584.9901301084.

The spelling of 200191492 in words is "two hundred million, one hundred ninety-one thousand, four hundred ninety-two".