16043893 has 2 divisors, whose sum is σ = 16043894. Its totient is φ = 16043892.

The previous prime is 16043837. The next prime is 16043917. The reversal of 16043893 is 39834061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16016004 + 27889 = 4002^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 16043893 - 2¹⁷ = 15912821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16043803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021946 + 8021947.

It is an arithmetic number, because the mean of its divisors is an integer number (8021947).

Almost surely, 2^16043893 is an apocalyptic number.

It is an amenable number.

16043893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16043893 is an equidigital number, since it uses as much as digits as its factorization.

16043893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 16043893 is about 4005.4828672708. The cubic root of 16043893 is about 252.2144234024.

The spelling of 16043893 in words is "sixteen million, forty-three thousand, eight hundred ninety-three".