16864242 has 8 divisors (see below), whose sum is σ = 33728496. Its totient is φ = 5621412.

The previous prime is 16864231. The next prime is 16864259. The reversal of 16864242 is 24246861.

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

16864242 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 1405348 + ... + 1405359.

It is an arithmetic number, because the mean of its divisors is an integer number (4216062).

Almost surely, 2^16864242 is an apocalyptic number.

16864242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16864242 is a wasteful number, since it uses less digits than its factorization.

16864242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810712.

The product of its digits is 18432, while the sum is 33.

The square root of 16864242 is about 4106.6095504686. The cubic root of 16864242 is about 256.4418739813.

The spelling of 16864242 in words is "sixteen million, eight hundred sixty-four thousand, two hundred forty-two".