39963349 has 4 divisors (see below), whose sum is σ = 39990636. Its totient is φ = 39936064.

The previous prime is 39963347. The next prime is 39963389. The reversal of 39963349 is 94336993.

39963349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94336993 = 109 ⋅865477.

It can be written as a sum of positive squares in 2 ways, for example, as 3276100 + 36687249 = 1810^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 39963349 - 2¹ = 39963347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39963299 and 39963308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39963347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11314 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (9997659).

Almost surely, 2^39963349 is an apocalyptic number.

It is an amenable number.

39963349 is a deficient number, since it is larger than the sum of its proper divisors (27287).

39963349 is a wasteful number, since it uses less digits than its factorization.

39963349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27286.

The product of its digits is 472392, while the sum is 46.

The square root of 39963349 is about 6321.6571403391. The cubic root of 39963349 is about 341.8907035356.

The spelling of 39963349 in words is "thirty-nine million, nine hundred sixty-three thousand, three hundred forty-nine".