39542887 has 8 divisors (see below), whose sum is σ = 40919040. Its totient is φ = 38173080.

The previous prime is 39542879. The next prime is 39542891. The reversal of 39542887 is 78824593.

39542887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39542887 - 2³ = 39542879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39542807) 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 7 ways as a sum of consecutive naturals, for example, 13518 + ... + 16180.

It is an arithmetic number, because the mean of its divisors is an integer number (5114880).

Almost surely, 2^39542887 is an apocalyptic number.

39542887 is a deficient number, since it is larger than the sum of its proper divisors (1376153).

39542887 is a wasteful number, since it uses less digits than its factorization.

39542887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its digits is 483840, while the sum is 46.

The square root of 39542887 is about 6288.3135258987. The cubic root of 39542887 is about 340.6874413150.

The spelling of 39542887 in words is "thirty-nine million, five hundred forty-two thousand, eight hundred eighty-seven".