16234399 has 2 divisors, whose sum is σ = 16234400. Its totient is φ = 16234398.

The previous prime is 16234391. The next prime is 16234409. The reversal of 16234399 is 99343261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16234399 - 2³ = 16234391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16234391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8117199 + 8117200.

It is an arithmetic number, because the mean of its divisors is an integer number (8117200).

Almost surely, 2^16234399 is an apocalyptic number.

16234399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16234399 is an equidigital number, since it uses as much as digits as its factorization.

16234399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 16234399 is about 4029.1933435863. The cubic root of 16234399 is about 253.2087670530.

The spelling of 16234399 in words is "sixteen million, two hundred thirty-four thousand, three hundred ninety-nine".