38184228 has 18 divisors (see below), whose sum is σ = 96521334. Its totient is φ = 12728064.

The previous prime is 38184191. The next prime is 38184241. The reversal of 38184228 is 82248183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 13264164 = 4992^2 + 3642^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1060673 = 38184228 / (3 + 8 + 1 + 8 + 4 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 38184192 and 38184201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530301 + ... + 530372.

Almost surely, 2^38184228 is an apocalyptic number.

It is an amenable number.

38184228 is an abundant number, since it is smaller than the sum of its proper divisors (58337106).

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

38184228 is a wasteful number, since it uses less digits than its factorization.

38184228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060683 (or 1060678 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 38184228 is about 6179.3387995804. The cubic root of 38184228 is about 336.7399720560.

The spelling of 38184228 in words is "thirty-eight million, one hundred eighty-four thousand, two hundred twenty-eight".