39228468 has 12 divisors (see below), whose sum is σ = 91533120. Its totient is φ = 13076152.

The previous prime is 39228461. The next prime is 39228479. The reversal of 39228468 is 86482293.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39228461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634508 + ... + 1634531.

It is an arithmetic number, because the mean of its divisors is an integer number (7627760).

Almost surely, 2^39228468 is an apocalyptic number.

It is an amenable number.

39228468 is an abundant number, since it is smaller than the sum of its proper divisors (52304652).

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

39228468 is a wasteful number, since it uses less digits than its factorization.

39228468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269046 (or 3269044 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 39228468 is about 6263.2633666484. The cubic root of 39228468 is about 339.7820633334.

The spelling of 39228468 in words is "thirty-nine million, two hundred twenty-eight thousand, four hundred sixty-eight".