201928943 has 16 divisors (see below), whose sum is σ = 215587680. Its totient is φ = 188770176.

The previous prime is 201928933. The next prime is 201928963. The reversal of 201928943 is 349829102.

It is a cyclic number.

It is not a de Polignac number, because 201928943 - 2⁴ = 201928927 is a prime.

It is a super-3 number, since 3×201928943³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201928897 and 201928906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201928933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329105 + ... + 329717.

It is an arithmetic number, because the mean of its divisors is an integer number (13474230).

Almost surely, 2^201928943 is an apocalyptic number.

201928943 is a deficient number, since it is larger than the sum of its proper divisors (13658737).

201928943 is a wasteful number, since it uses less digits than its factorization.

201928943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 201928943 is about 14210.1704071415. The cubic root of 201928943 is about 586.6776233677.

The spelling of 201928943 in words is "two hundred one million, nine hundred twenty-eight thousand, nine hundred forty-three".