16849963 has 8 divisors (see below), whose sum is σ = 18270000. Its totient is φ = 15447648.

The previous prime is 16849949. The next prime is 16849999. The reversal of 16849963 is 36994861.

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 16849963 - 2⁹ = 16849451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16840963) 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, 2413 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (2283750).

Almost surely, 2^16849963 is an apocalyptic number.

16849963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16849963 is a deficient number, since it is larger than the sum of its proper divisors (1420037).

16849963 is a wasteful number, since it uses less digits than its factorization.

16849963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861.

The product of its digits is 279936, while the sum is 46.

The square root of 16849963 is about 4104.8706435161. The cubic root of 16849963 is about 256.3694768649.

The spelling of 16849963 in words is "sixteen million, eight hundred forty-nine thousand, nine hundred sixty-three".