16890343 has 8 divisors (see below), whose sum is σ = 17544960. Its totient is φ = 16248120.

The previous prime is 16890337. The next prime is 16890347. The reversal of 16890343 is 34309861.

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 16890343 - 2⁵ = 16890311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16890299 and 16890308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (2193120).

Almost surely, 2^16890343 is an apocalyptic number.

16890343 is a deficient number, since it is larger than the sum of its proper divisors (654617).

16890343 is an equidigital number, since it uses as much as digits as its factorization.

16890343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 16890343 is about 4109.7862474830. The cubic root of 16890343 is about 256.5741052268.

The spelling of 16890343 in words is "sixteen million, eight hundred ninety thousand, three hundred forty-three".