39366091 has 2 divisors, whose sum is σ = 39366092. Its totient is φ = 39366090.

The previous prime is 39366077. The next prime is 39366097. The reversal of 39366091 is 19066393.

It is a strong prime.

It is an emirp because it is prime and its reverse (19066393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39366091 - 2²¹ = 37268939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39366091.

It is not a weakly prime, because it can be changed into another prime (39366097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19683045 + 19683046.

It is an arithmetic number, because the mean of its divisors is an integer number (19683046).

Almost surely, 2^39366091 is an apocalyptic number.

39366091 is a deficient number, since it is larger than the sum of its proper divisors (1).

39366091 is an equidigital number, since it uses as much as digits as its factorization.

39366091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 39366091 is about 6274.2402727342. The cubic root of 39366091 is about 340.1789455949.

The spelling of 39366091 in words is "thirty-nine million, three hundred sixty-six thousand, ninety-one".