39228565 has 8 divisors (see below), whose sum is σ = 47737728. Its totient is φ = 30940560.

The previous prime is 39228557. The next prime is 39228587. The reversal of 39228565 is 56582293.

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

It is not a de Polignac number, because 39228565 - 2³ = 39228557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54897 + ... + 55606.

It is an arithmetic number, because the mean of its divisors is an integer number (5967216).

Almost surely, 2^39228565 is an apocalyptic number.

It is an amenable number.

39228565 is a deficient number, since it is larger than the sum of its proper divisors (8509163).

39228565 is a wasteful number, since it uses less digits than its factorization.

39228565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110579.

The product of its digits is 129600, while the sum is 40.

The square root of 39228565 is about 6263.2711102107. The cubic root of 39228565 is about 339.7823433922.

It can be divided in two parts, 39228 and 565, that added together give a palindrome (39793).

The spelling of 39228565 in words is "thirty-nine million, two hundred twenty-eight thousand, five hundred sixty-five".