16490039 has 2 divisors, whose sum is σ = 16490040. Its totient is φ = 16490038.

The previous prime is 16490029. The next prime is 16490053. The reversal of 16490039 is 93009461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16490039 - 2⁸ = 16489783 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16489987 and 16490014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16490029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245019 + 8245020.

It is an arithmetic number, because the mean of its divisors is an integer number (8245020).

Almost surely, 2^16490039 is an apocalyptic number.

16490039 is a deficient number, since it is larger than the sum of its proper divisors (1).

16490039 is an equidigital number, since it uses as much as digits as its factorization.

16490039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16490039 is about 4060.7929028701. The cubic root of 16490039 is about 254.5309280091.

The spelling of 16490039 in words is "sixteen million, four hundred ninety thousand, thirty-nine".