39065481 has 24 divisors (see below), whose sum is σ = 69451200. Its totient is φ = 20605536.

The previous prime is 39065459. The next prime is 39065483. The reversal of 39065481 is 18456093.

It is not a de Polignac number, because 39065481 - 2⁶ = 39065417 is a prime.

It is a super-2 number, since 2×39065481² = 3052223611522722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39065483) 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, 23031 + ... + 24668.

It is an arithmetic number, because the mean of its divisors is an integer number (2893800).

Almost surely, 2^39065481 is an apocalyptic number.

It is an amenable number.

39065481 is a deficient number, since it is larger than the sum of its proper divisors (30385719).

39065481 is a wasteful number, since it uses less digits than its factorization.

39065481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47725 (or 47722 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 39065481 is about 6250.2384754504. The cubic root of 39065481 is about 339.3108329790.

The spelling of 39065481 in words is "thirty-nine million, sixty-five thousand, four hundred eighty-one".