16872829 has 2 divisors, whose sum is σ = 16872830. Its totient is φ = 16872828.

The previous prime is 16872803. The next prime is 16872833. The reversal of 16872829 is 92827861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 656100 = 4027^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 16872829 - 2¹¹ = 16870781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16872329) 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 as a sum of consecutive naturals, namely, 8436414 + 8436415.

It is an arithmetic number, because the mean of its divisors is an integer number (8436415).

Almost surely, 2^16872829 is an apocalyptic number.

It is an amenable number.

16872829 is a deficient number, since it is larger than the sum of its proper divisors (1).

16872829 is an equidigital number, since it uses as much as digits as its factorization.

16872829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 16872829 is about 4107.6549270843. The cubic root of 16872829 is about 256.4853919512.

The spelling of 16872829 in words is "sixteen million, eight hundred seventy-two thousand, eight hundred twenty-nine".