16293899 has 2 divisors, whose sum is σ = 16293900. Its totient is φ = 16293898.

The previous prime is 16293889. The next prime is 16293917. The reversal of 16293899 is 99839261.

It is a weak prime.

It is an emirp because it is prime and its reverse (99839261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16293899 - 2⁴ = 16293883 is a prime.

It is a super-2 number, since 2×16293899² = 530982289244402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16293869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146949 + 8146950.

It is an arithmetic number, because the mean of its divisors is an integer number (8146950).

Almost surely, 2^16293899 is an apocalyptic number.

16293899 is a deficient number, since it is larger than the sum of its proper divisors (1).

16293899 is an equidigital number, since it uses as much as digits as its factorization.

16293899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The square root of 16293899 is about 4036.5702025358. The cubic root of 16293899 is about 253.5177314358.

The spelling of 16293899 in words is "sixteen million, two hundred ninety-three thousand, eight hundred ninety-nine".