16874201 has 4 divisors (see below), whose sum is σ = 17456100. Its totient is φ = 16292304.

The previous prime is 16874191. The next prime is 16874213. The reversal of 16874201 is 10247861.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 2886601 = 3740^2 + 1699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16874201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 581869 = 16874201 / (1 + 6 + 8 + 7 + 4 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16874281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290906 + ... + 290963.

It is an arithmetic number, because the mean of its divisors is an integer number (4364025).

Almost surely, 2^16874201 is an apocalyptic number.

It is an amenable number.

16874201 is a deficient number, since it is larger than the sum of its proper divisors (581899).

16874201 is an equidigital number, since it uses as much as digits as its factorization.

16874201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581898.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 16874201 is about 4107.8219289546. The cubic root of 16874201 is about 256.4923437279.

The spelling of 16874201 in words is "sixteen million, eight hundred seventy-four thousand, two hundred one".