16387241 has 8 divisors (see below), whose sum is σ = 17687040. Its totient is φ = 15093072.

The previous prime is 16387213. The next prime is 16387243. The reversal of 16387241 is 14278361.

16387241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16387241 - 2¹⁰ = 16386217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16387198 and 16387207.

It is not an unprimeable number, because it can be changed into a prime (16387243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200 + ... + 8438.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880).

Almost surely, 2^16387241 is an apocalyptic number.

It is an amenable number.

16387241 is a deficient number, since it is larger than the sum of its proper divisors (1299799).

16387241 is a wasteful number, since it uses less digits than its factorization.

16387241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 8064, while the sum is 32.

The square root of 16387241 is about 4048.1157345116. The cubic root of 16387241 is about 254.0009144985. Note that the first 3 decimals are identical.

The spelling of 16387241 in words is "sixteen million, three hundred eighty-seven thousand, two hundred forty-one".