200093921 has 16 divisors (see below), whose sum is σ = 219637440. Its totient is φ = 181621440.

The previous prime is 200093911. The next prime is 200093923. The reversal of 200093921 is 129390002.

It is a cyclic number.

It is not a de Polignac number, because 200093921 - 2¹⁸ = 199831777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200093923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40991 + ... + 45611.

It is an arithmetic number, because the mean of its divisors is an integer number (13727340).

Almost surely, 2^200093921 is an apocalyptic number.

It is an amenable number.

200093921 is a deficient number, since it is larger than the sum of its proper divisors (19543519).

200093921 is a wasteful number, since it uses less digits than its factorization.

200093921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 200093921 is about 14145.4558427786. The cubic root of 200093921 is about 584.8950755401.

The spelling of 200093921 in words is "two hundred million, ninety-three thousand, nine hundred twenty-one".