16306986 has 8 divisors (see below), whose sum is σ = 32613984. Its totient is φ = 5435660.

The previous prime is 16306981. The next prime is 16306993. The reversal of 16306986 is 68960361.

It is a happy number.

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

16306986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16306981) 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 3 ways as a sum of consecutive naturals, for example, 1358910 + ... + 1358921.

It is an arithmetic number, because the mean of its divisors is an integer number (4076748).

Almost surely, 2^16306986 is an apocalyptic number.

16306986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16306986 is a wasteful number, since it uses less digits than its factorization.

16306986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717836.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 16306986 is about 4038.1909315930. The cubic root of 16306986 is about 253.5855870728.

The spelling of 16306986 in words is "sixteen million, three hundred six thousand, nine hundred eighty-six".