200891842 has 8 divisors (see below), whose sum is σ = 311058432. Its totient is φ = 97205700.

The previous prime is 200891819. The next prime is 200891843. The reversal of 200891842 is 248198002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 200891798 and 200891807.

It is not an unprimeable number, because it can be changed into a prime (200891843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1620034 + ... + 1620157.

It is an arithmetic number, because the mean of its divisors is an integer number (38882304).

Almost surely, 2^200891842 is an apocalyptic number.

200891842 is a deficient number, since it is larger than the sum of its proper divisors (110166590).

200891842 is a wasteful number, since it uses less digits than its factorization.

200891842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240224.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 200891842 is about 14173.6319269268. The cubic root of 200891842 is about 585.6715127146.

The spelling of 200891842 in words is "two hundred million, eight hundred ninety-one thousand, eight hundred forty-two".