32066399 has 2 divisors, whose sum is σ = 32066400. Its totient is φ = 32066398.

The previous prime is 32066381. The next prime is 32066413. The reversal of 32066399 is 99366023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32066399 - 2⁸ = 32066143 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32066299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16033199 + 16033200.

It is an arithmetic number, because the mean of its divisors is an integer number (16033200).

Almost surely, 2^32066399 is an apocalyptic number.

32066399 is a deficient number, since it is larger than the sum of its proper divisors (1).

32066399 is an equidigital number, since it uses as much as digits as its factorization.

32066399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 32066399 is about 5662.7201060974. The cubic root of 32066399 is about 317.6996458614.

The spelling of 32066399 in words is "thirty-two million, sixty-six thousand, three hundred ninety-nine".