39928268 has 6 divisors (see below), whose sum is σ = 69874476. Its totient is φ = 19964132.

The previous prime is 39928267. The next prime is 39928297. The reversal of 39928268 is 86282993.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (39928261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991030 + ... + 4991037.

It is an arithmetic number, because the mean of its divisors is an integer number (11645746).

Almost surely, 2^39928268 is an apocalyptic number.

It is an amenable number.

39928268 is a deficient number, since it is larger than the sum of its proper divisors (29946208).

39928268 is a wasteful number, since it uses less digits than its factorization.

39928268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982071 (or 9982069 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 39928268 is about 6318.8818631147. The cubic root of 39928268 is about 341.7906336857.

The spelling of 39928268 in words is "thirty-nine million, nine hundred twenty-eight thousand, two hundred sixty-eight".