16289929 has 2 divisors, whose sum is σ = 16289930. Its totient is φ = 16289928.

The previous prime is 16289899. The next prime is 16289939. The reversal of 16289929 is 92998261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14837904 + 1452025 = 3852^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 16289929 - 2¹⁵ = 16257161 is a prime.

It is not a weakly prime, because it can be changed into another prime (16289939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8144964 + 8144965.

It is an arithmetic number, because the mean of its divisors is an integer number (8144965).

Almost surely, 2^16289929 is an apocalyptic number.

It is an amenable number.

16289929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16289929 is an equidigital number, since it uses as much as digits as its factorization.

16289929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 46.

The square root of 16289929 is about 4036.0784184651. The cubic root of 16289929 is about 253.4971399423.

The spelling of 16289929 in words is "sixteen million, two hundred eighty-nine thousand, nine hundred twenty-nine".