39228084 has 96 divisors (see below), whose sum is σ = 122393600. Its totient is φ = 10614240.

The previous prime is 39228073. The next prime is 39228089. The reversal of 39228084 is 48082293.

It is a super-2 number, since 2×39228084² = 3077685148622112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39228089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12999 + ... + 15729.

Almost surely, 2^39228084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39228084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61196800).

39228084 is an abundant number, since it is smaller than the sum of its proper divisors (83165516).

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

39228084 is a wasteful number, since it uses less digits than its factorization.

39228084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 39228084 is about 6263.2327116274. The cubic root of 39228084 is about 339.7809546425.

The spelling of 39228084 in words is "thirty-nine million, two hundred twenty-eight thousand, eighty-four".