39871676 has 12 divisors (see below), whose sum is σ = 75142872. Its totient is φ = 18402288.

The previous prime is 39871661. The next prime is 39871679. The reversal of 39871676 is 67617893.

It is a self number, because there is not a number n which added to its sum of digits gives 39871676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39871679) 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 3 ways as a sum of consecutive naturals, for example, 383330 + ... + 383433.

It is an arithmetic number, because the mean of its divisors is an integer number (6261906).

Almost surely, 2^39871676 is an apocalyptic number.

It is an amenable number.

39871676 is a deficient number, since it is larger than the sum of its proper divisors (35271196).

39871676 is a wasteful number, since it uses less digits than its factorization.

39871676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766780 (or 766778 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 39871676 is about 6314.4022678318. The cubic root of 39871676 is about 341.6290792943.

The spelling of 39871676 in words is "thirty-nine million, eight hundred seventy-one thousand, six hundred seventy-six".