39944363 has 2 divisors, whose sum is σ = 39944364. Its totient is φ = 39944362.

The previous prime is 39944341. The next prime is 39944371. The reversal of 39944363 is 36344993.

It is a strong prime.

It is an emirp because it is prime and its reverse (36344993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39944363 - 2⁶ = 39944299 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39944363.

It is not a weakly prime, because it can be changed into another prime (39944393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19972181 + 19972182.

It is an arithmetic number, because the mean of its divisors is an integer number (19972182).

Almost surely, 2^39944363 is an apocalyptic number.

39944363 is a deficient number, since it is larger than the sum of its proper divisors (1).

39944363 is an equidigital number, since it uses as much as digits as its factorization.

39944363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 41.

The square root of 39944363 is about 6320.1552987249. The cubic root of 39944363 is about 341.8365525424.

The spelling of 39944363 in words is "thirty-nine million, nine hundred forty-four thousand, three hundred sixty-three".