39875628 has 24 divisors (see below), whose sum is σ = 100200688. Its totient is φ = 12269376.

The previous prime is 39875621. The next prime is 39875669. The reversal of 39875628 is 82657893.

It is not an unprimeable number, because it can be changed into a prime (39875621) 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, 127651 + ... + 127962.

Almost surely, 2^39875628 is an apocalyptic number.

It is an amenable number.

39875628 is an abundant number, since it is smaller than the sum of its proper divisors (60325060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39875628 is a wasteful number, since it uses less digits than its factorization.

39875628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255633 (or 255631 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 39875628 is about 6314.7151954779. The cubic root of 39875628 is about 341.6403661162.

The spelling of 39875628 in words is "thirty-nine million, eight hundred seventy-five thousand, six hundred twenty-eight".