39481687 has 8 divisors (see below), whose sum is σ = 45337472. Its totient is φ = 33679800.

The previous prime is 39481681. The next prime is 39481709. The reversal of 39481687 is 78618493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39481687 - 2¹¹ = 39479639 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 (39481681) 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, 11889 + ... + 14842.

It is an arithmetic number, because the mean of its divisors is an integer number (5667184).

Almost surely, 2^39481687 is an apocalyptic number.

39481687 is a deficient number, since it is larger than the sum of its proper divisors (5855785).

39481687 is a wasteful number, since it uses less digits than its factorization.

39481687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26949.

The product of its digits is 290304, while the sum is 46.

The square root of 39481687 is about 6283.4454720320. The cubic root of 39481687 is about 340.5115914239.

The spelling of 39481687 in words is "thirty-nine million, four hundred eighty-one thousand, six hundred eighty-seven".