39613228 has 6 divisors (see below), whose sum is σ = 69323156. Its totient is φ = 19806612.

The previous prime is 39613201. The next prime is 39613229. The reversal of 39613228 is 82231693.

It is a happy number.

39613228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39613193 and 39613202.

It is not an unprimeable number, because it can be changed into a prime (39613229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4951650 + ... + 4951657.

Almost surely, 2^39613228 is an apocalyptic number.

It is an amenable number.

39613228 is a deficient number, since it is larger than the sum of its proper divisors (29709928).

39613228 is a wasteful number, since it uses less digits than its factorization.

39613228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903311 (or 9903309 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 39613228 is about 6293.9040348579. The cubic root of 39613228 is about 340.8893326580.

The spelling of 39613228 in words is "thirty-nine million, six hundred thirteen thousand, two hundred twenty-eight".