39660105 has 8 divisors (see below), whose sum is σ = 63456192. Its totient is φ = 21152048.

The previous prime is 39660017. The next prime is 39660107. The reversal of 39660105 is 50106693.

It is a happy number.

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 39660105 - 2²⁴ = 22882889 is a prime.

It is a super-2 number, since 2×39660105² = 3145847857222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39660107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321989 + ... + 1322018.

It is an arithmetic number, because the mean of its divisors is an integer number (7932024).

Almost surely, 2^39660105 is an apocalyptic number.

It is an amenable number.

39660105 is a deficient number, since it is larger than the sum of its proper divisors (23796087).

39660105 is a wasteful number, since it uses less digits than its factorization.

39660105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644015.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 39660105 is about 6297.6269340125. The cubic root of 39660105 is about 341.0237454189.

Adding to 39660105 its reverse (50106693), we get a palindrome (89766798).

The spelling of 39660105 in words is "thirty-nine million, six hundred sixty thousand, one hundred five".