39668607 has 48 divisors (see below), whose sum is σ = 66437280. Its totient is φ = 22579200.

The previous prime is 39668597. The next prime is 39668653. The reversal of 39668607 is 70686693.

39668607 is a `hidden beast` number, since 39 + 6 + 6 + 8 + 607 = 666.

It is not a de Polignac number, because 39668607 - 2⁶ = 39668543 is a prime.

It is a super-3 number, since 3×39668607³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39668677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117543 + ... + 117879.

It is an arithmetic number, because the mean of its divisors is an integer number (1384110).

Almost surely, 2^39668607 is an apocalyptic number.

39668607 is a deficient number, since it is larger than the sum of its proper divisors (26768673).

39668607 is a wasteful number, since it uses less digits than its factorization.

39668607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 39668607 is about 6298.3019140083. The cubic root of 39668607 is about 341.0481122793.

The spelling of 39668607 in words is "thirty-nine million, six hundred sixty-eight thousand, six hundred seven".