39303228 has 24 divisors (see below), whose sum is σ = 95695488. Its totient is φ = 12531376.

The previous prime is 39303227. The next prime is 39303259. The reversal of 39303228 is 82230393.

It is a junction number, because it is equal to n+sod(n) for n = 39303195 and 39303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39303221) 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, 70926 + ... + 71477.

It is an arithmetic number, because the mean of its divisors is an integer number (3987312).

Almost surely, 2^39303228 is an apocalyptic number.

It is an amenable number.

39303228 is an abundant number, since it is smaller than the sum of its proper divisors (56392260).

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

39303228 is a wasteful number, since it uses less digits than its factorization.

39303228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142433 (or 142431 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 39303228 is about 6269.2286606886. The cubic root of 39303228 is about 339.9977739185.

The spelling of 39303228 in words is "thirty-nine million, three hundred three thousand, two hundred twenty-eight".