39487261 has 12 divisors (see below), whose sum is σ = 43585696. Its totient is φ = 35746920.

The previous prime is 39487249. The next prime is 39487267. The reversal of 39487261 is 16278493.

39487261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39487261 - 2⁵ = 39487229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39487267) 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 11 ways as a sum of consecutive naturals, for example, 36616 + ... + 37678.

Almost surely, 2^39487261 is an apocalyptic number.

It is an amenable number.

39487261 is a deficient number, since it is larger than the sum of its proper divisors (4098435).

39487261 is a wasteful number, since it uses less digits than its factorization.

39487261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1381 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 39487261 is about 6283.8890028389. The cubic root of 39487261 is about 340.5276150747.

The spelling of 39487261 in words is "thirty-nine million, four hundred eighty-seven thousand, two hundred sixty-one".