39749683 has 2 divisors, whose sum is σ = 39749684. Its totient is φ = 39749682.

The previous prime is 39749659. The next prime is 39749687. The reversal of 39749683 is 38694793.

It is a strong prime.

It is an emirp because it is prime and its reverse (38694793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39749683 - 2²⁵ = 6195251 is a prime.

It is not a weakly prime, because it can be changed into another prime (39749687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19874841 + 19874842.

It is an arithmetic number, because the mean of its divisors is an integer number (19874842).

Almost surely, 2^39749683 is an apocalyptic number.

39749683 is a deficient number, since it is larger than the sum of its proper divisors (1).

39749683 is an equidigital number, since it uses as much as digits as its factorization.

39749683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 39749683 is about 6304.7349666739. The cubic root of 39749683 is about 341.2803026041.

The spelling of 39749683 in words is "thirty-nine million, seven hundred forty-nine thousand, six hundred eighty-three".