16872046 has 4 divisors (see below), whose sum is σ = 25308072. Its totient is φ = 8436022.

The previous prime is 16872017. The next prime is 16872047. The reversal of 16872046 is 64027861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64027861 = 239 ⋅267899.

It is a super-2 number, since 2×16872046² = 569331872452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872047) by changing a digit.

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, 4218010 + ... + 4218013.

It is an arithmetic number, because the mean of its divisors is an integer number (6327018).

Almost surely, 2^16872046 is an apocalyptic number.

16872046 is a deficient number, since it is larger than the sum of its proper divisors (8436026).

16872046 is an equidigital number, since it uses as much as digits as its factorization.

16872046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436025.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 16872046 is about 4107.5596161224. The cubic root of 16872046 is about 256.4814244053.

The spelling of 16872046 in words is "sixteen million, eight hundred seventy-two thousand, forty-six".