16390799 has 2 divisors, whose sum is σ = 16390800. Its totient is φ = 16390798.

The previous prime is 16390753. The next prime is 16390807. The reversal of 16390799 is 99709361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16390799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16350799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195399 + 8195400.

It is an arithmetic number, because the mean of its divisors is an integer number (8195400).

Almost surely, 2^16390799 is an apocalyptic number.

16390799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16390799 is an equidigital number, since it uses as much as digits as its factorization.

16390799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 16390799 is about 4048.5551743801. Note that the first 3 decimals coincide. The cubic root of 16390799 is about 254.0192960727.

The spelling of 16390799 in words is "sixteen million, three hundred ninety thousand, seven hundred ninety-nine".