16943882 has 4 divisors (see below), whose sum is σ = 25415826. Its totient is φ = 8471940.

The previous prime is 16943881. The next prime is 16943921. The reversal of 16943882 is 28834961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28834961 = 29 ⋅994309.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 3759721 = 3631^2 + 1939^2 .

It is not an unprimeable number, because it can be changed into a prime (16943881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235969 + ... + 4235972.

Almost surely, 2^16943882 is an apocalyptic number.

16943882 is a deficient number, since it is larger than the sum of its proper divisors (8471944).

16943882 is an equidigital number, since it uses as much as digits as its factorization.

16943882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471943.

The product of its digits is 82944, while the sum is 41.

The square root of 16943882 is about 4116.2946930462. The cubic root of 16943882 is about 256.8449154428.

The spelling of 16943882 in words is "sixteen million, nine hundred forty-three thousand, eight hundred eighty-two".