39349669 has 8 divisors (see below), whose sum is σ = 40284288. Its totient is φ = 38419200.

The previous prime is 39349657. The next prime is 39349693. The reversal of 39349669 is 96694393.

39349669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39349669 - 2⁹ = 39349157 is a prime.

It is a super-2 number, since 2×39349669² = 3096792900819122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39349069) 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 7 ways as a sum of consecutive naturals, for example, 26394 + ... + 27844.

It is an arithmetic number, because the mean of its divisors is an integer number (5035536).

Almost surely, 2^39349669 is an apocalyptic number.

It is an amenable number.

39349669 is a deficient number, since it is larger than the sum of its proper divisors (934619).

39349669 is a wasteful number, since it uses less digits than its factorization.

39349669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its digits is 944784, while the sum is 49.

The square root of 39349669 is about 6272.9314518812. The cubic root of 39349669 is about 340.1316358799.

The spelling of 39349669 in words is "thirty-nine million, three hundred forty-nine thousand, six hundred sixty-nine".