201928214 has 4 divisors (see below), whose sum is σ = 302892324. Its totient is φ = 100964106.

The previous prime is 201928123. The next prime is 201928231. The reversal of 201928214 is 412829102.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50482052 + ... + 50482055.

It is an arithmetic number, because the mean of its divisors is an integer number (75723081).

Almost surely, 2^201928214 is an apocalyptic number.

201928214 is a deficient number, since it is larger than the sum of its proper divisors (100964110).

201928214 is a wasteful number, since it uses less digits than its factorization.

201928214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100964109.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 201928214 is about 14210.1447564759. The cubic root of 201928214 is about 586.6769173628.

The spelling of 201928214 in words is "two hundred one million, nine hundred twenty-eight thousand, two hundred fourteen".