39412681 has 16 divisors (see below), whose sum is σ = 52030080. Its totient is φ = 28903680.

The previous prime is 39412679. The next prime is 39412697. The reversal of 39412681 is 18621493.

39412681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 39412681 - 2¹ = 39412679 is a prime.

It is a super-2 number, since 2×39412681² = 3106718847215522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39412651) 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 15 ways as a sum of consecutive naturals, for example, 13746 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (3251880).

Almost surely, 2^39412681 is an apocalyptic number.

It is an amenable number.

39412681 is a deficient number, since it is larger than the sum of its proper divisors (12617399).

39412681 is a wasteful number, since it uses less digits than its factorization.

39412681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144.

The product of its digits is 10368, while the sum is 34.

The square root of 39412681 is about 6277.9519749676. The cubic root of 39412681 is about 340.3130939473.

The spelling of 39412681 in words is "thirty-nine million, four hundred twelve thousand, six hundred eighty-one".