39066481 has 8 divisors (see below), whose sum is σ = 40234824. Its totient is φ = 37908480.

The previous prime is 39066463. The next prime is 39066491. The reversal of 39066481 is 18466093.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 38937600 = 359^2 + 6240^2 .

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 39066481 - 2¹⁵ = 39033713 is a prime.

It is a super-2 number, since 2×39066481² = 3052379875446722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39066481.

It is not an unprimeable number, because it can be changed into a prime (39066421) 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, 5445 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (5029353).

Almost surely, 2^39066481 is an apocalyptic number.

It is an amenable number.

39066481 is a deficient number, since it is larger than the sum of its proper divisors (1168343).

39066481 is a wasteful number, since it uses less digits than its factorization.

39066481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 39066481 is about 6250.3184718861. The cubic root of 39066481 is about 339.3137281858.

The spelling of 39066481 in words is "thirty-nine million, sixty-six thousand, four hundred eighty-one".