16886949 has 8 divisors (see below), whose sum is σ = 22769280. Its totient is φ = 11131296.

The previous prime is 16886929. The next prime is 16886951. The reversal of 16886949 is 94968861.

It is a happy number.

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

It is not a de Polignac number, because 16886949 - 2²³ = 8498341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16886929) 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, 31357 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (2846160).

Almost surely, 2^16886949 is an apocalyptic number.

It is an amenable number.

16886949 is a deficient number, since it is larger than the sum of its proper divisors (5882331).

16886949 is an equidigital number, since it uses as much as digits as its factorization.

16886949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63339.

The product of its digits is 746496, while the sum is 51.

The square root of 16886949 is about 4109.3733098856. The cubic root of 16886949 is about 256.5569184661.

The spelling of 16886949 in words is "sixteen million, eight hundred eighty-six thousand, nine hundred forty-nine".