200492861 has 4 divisors (see below), whose sum is σ = 200526300. Its totient is φ = 200459424.

The previous prime is 200492813. The next prime is 200492869. The reversal of 200492861 is 168294002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132940900 + 67551961 = 11530^2 + 8219^2 .

It is a cyclic number.

It is not a de Polignac number, because 200492861 - 2¹⁴ = 200476477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200492869) 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, 4976 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (50131575).

Almost surely, 2^200492861 is an apocalyptic number.

It is an amenable number.

200492861 is a deficient number, since it is larger than the sum of its proper divisors (33439).

200492861 is an equidigital number, since it uses as much as digits as its factorization.

200492861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33438.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 200492861 is about 14159.5501694086. The cubic root of 200492861 is about 585.2835316847.

The spelling of 200492861 in words is "two hundred million, four hundred ninety-two thousand, eight hundred sixty-one".