16876969 has 2 divisors, whose sum is σ = 16876970. Its totient is φ = 16876968.

The previous prime is 16876967. The next prime is 16876987. The reversal of 16876969 is 96967861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 6553600 = 3213^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 16876969 - 2¹ = 16876967 is a prime.

It is a super-2 number, since 2×16876969² = 569664165253922, which contains 22 as substring.

Together with 16876967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16876961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8438484 + 8438485.

It is an arithmetic number, because the mean of its divisors is an integer number (8438485).

Almost surely, 2^16876969 is an apocalyptic number.

It is an amenable number.

16876969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16876969 is an equidigital number, since it uses as much as digits as its factorization.

16876969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 16876969 is about 4108.1588333461. The cubic root of 16876969 is about 256.5063677399.

The spelling of 16876969 in words is "sixteen million, eight hundred seventy-six thousand, nine hundred sixty-nine".