16867387 has 2 divisors, whose sum is σ = 16867388. Its totient is φ = 16867386.

The previous prime is 16867363. The next prime is 16867391. The reversal of 16867387 is 78376861.

It is a strong prime.

It is an emirp because it is prime and its reverse (78376861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16867387 - 2⁷ = 16867259 is a prime.

It is not a weakly prime, because it can be changed into another prime (16867087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8433693 + 8433694.

It is an arithmetic number, because the mean of its divisors is an integer number (8433694).

Almost surely, 2^16867387 is an apocalyptic number.

16867387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16867387 is an equidigital number, since it uses as much as digits as its factorization.

16867387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 16867387 is about 4106.9924519044. The cubic root of 16867387 is about 256.4578142088.

The spelling of 16867387 in words is "sixteen million, eight hundred sixty-seven thousand, three hundred eighty-seven".