200891034 has 12 divisors (see below), whose sum is σ = 435263946. Its totient is φ = 66963672.

The previous prime is 200891027. The next prime is 200891051. The reversal of 200891034 is 430198002.

It can be written as a sum of positive squares in only one way, i.e., 177822225 + 23068809 = 13335^2 + 4803^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 200890989 and 200891007.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5580289 + ... + 5580324.

Almost surely, 2^200891034 is an apocalyptic number.

200891034 is an abundant number, since it is smaller than the sum of its proper divisors (234372912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200891034 is a wasteful number, since it uses less digits than its factorization.

200891034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160621 (or 11160618 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 200891034 is about 14173.6034232654. The cubic root of 200891034 is about 585.6707275106.

The spelling of 200891034 in words is "two hundred million, eight hundred ninety-one thousand, thirty-four".