39273028 has 6 divisors (see below), whose sum is σ = 68727806. Its totient is φ = 19636512.

The previous prime is 39273023. The next prime is 39273041. The reversal of 39273028 is 82037293.

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 6646084 = 5712^2 + 2578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39272984 and 39273002.

It is not an unprimeable number, because it can be changed into a prime (39273023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4909125 + ... + 4909132.

Almost surely, 2^39273028 is an apocalyptic number.

It is an amenable number.

39273028 is a deficient number, since it is larger than the sum of its proper divisors (29454778).

39273028 is a wasteful number, since it uses less digits than its factorization.

39273028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818261 (or 9818259 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 39273028 is about 6266.8196080628. The cubic root of 39273028 is about 339.9106685727.

The spelling of 39273028 in words is "thirty-nine million, two hundred seventy-three thousand, twenty-eight".