16803929 has 2 divisors, whose sum is σ = 16803930. Its totient is φ = 16803928.

The previous prime is 16803901. The next prime is 16803937. The reversal of 16803929 is 92930861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 2096704 = 3835^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 16803929 - 2²⁴ = 26713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16803892 and 16803901.

It is not a weakly prime, because it can be changed into another prime (16803949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8401964 + 8401965.

It is an arithmetic number, because the mean of its divisors is an integer number (8401965).

Almost surely, 2^16803929 is an apocalyptic number.

It is an amenable number.

16803929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16803929 is an equidigital number, since it uses as much as digits as its factorization.

16803929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 16803929 is about 4099.2595672877. The cubic root of 16803929 is about 256.1357972966.

The spelling of 16803929 in words is "sixteen million, eight hundred three thousand, nine hundred twenty-nine".