16860243 has 16 divisors (see below), whose sum is σ = 23901696. Its totient is φ = 10535040.

The previous prime is 16860241. The next prime is 16860247. The reversal of 16860243 is 34206861.

It is not a de Polignac number, because 16860243 - 2¹ = 16860241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16860243.

It is not an unprimeable number, because it can be changed into a prime (16860241) 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, 15330 + ... + 16392.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^16860243 is an apocalyptic number.

16860243 is a deficient number, since it is larger than the sum of its proper divisors (7041453).

16860243 is a wasteful number, since it uses less digits than its factorization.

16860243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 16860243 is about 4106.1226235952. The cubic root of 16860243 is about 256.4216024481.

The spelling of 16860243 in words is "sixteen million, eight hundred sixty thousand, two hundred forty-three".