39066247 has 16 divisors (see below), whose sum is σ = 43879968. Its totient is φ = 34478080.

The previous prime is 39066241. The next prime is 39066253. The reversal of 39066247 is 74266093.

It is an interprime number because it is at equal distance from previous prime (39066241) and next prime (39066253).

It is a cyclic number.

It is not a de Polignac number, because 39066247 - 2³ = 39066239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39066241) 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 15 ways as a sum of consecutive naturals, for example, 65583 + ... + 66175.

It is an arithmetic number, because the mean of its divisors is an integer number (2742498).

Almost surely, 2^39066247 is an apocalyptic number.

39066247 is a deficient number, since it is larger than the sum of its proper divisors (4813721).

39066247 is a wasteful number, since it uses less digits than its factorization.

39066247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 39066247 is about 6250.2997528119. The cubic root of 39066247 is about 339.3130507118.

It can be divided in two parts, 3906 and 6247, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 39066247 in words is "thirty-nine million, sixty-six thousand, two hundred forty-seven".