39006706 has 8 divisors (see below), whose sum is σ = 58626540. Its totient is φ = 19464528.

The previous prime is 39006679. The next prime is 39006713. The reversal of 39006706 is 60760093.

39006706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36711481 + 2295225 = 6059^2 + 1515^2 .

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

It is a super-2 number, since 2×39006706² = 3043046225940872, which contains 22 as substring.

It is an unprimeable number.

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, 18141 + ... + 20176.

Almost surely, 2^39006706 is an apocalyptic number.

39006706 is a deficient number, since it is larger than the sum of its proper divisors (19619834).

39006706 is a wasteful number, since it uses less digits than its factorization.

39006706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38828.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 39006706 is about 6245.5348850199. The cubic root of 39006706 is about 339.1405803361.

Adding to 39006706 its reverse (60760093), we get a palindrome (99766799).

The spelling of 39006706 in words is "thirty-nine million, six thousand, seven hundred six".