39868101 has 24 divisors (see below), whose sum is σ = 70878080. Its totient is φ = 21028896.

The previous prime is 39868097. The next prime is 39868121. The reversal of 39868101 is 10186893.

It is not a de Polignac number, because 39868101 - 2² = 39868097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39868121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23521 + ... + 25158.

Almost surely, 2^39868101 is an apocalyptic number.

It is an amenable number.

39868101 is a deficient number, since it is larger than the sum of its proper divisors (31009979).

39868101 is a wasteful number, since it uses less digits than its factorization.

39868101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48705 (or 48702 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 39868101 is about 6314.1191784761. The cubic root of 39868101 is about 341.6188685333.

The spelling of 39868101 in words is "thirty-nine million, eight hundred sixty-eight thousand, one hundred one".