38813228 has 6 divisors (see below), whose sum is σ = 67923156. Its totient is φ = 19406612.

The previous prime is 38813221. The next prime is 38813233. The reversal of 38813228 is 82231883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38813221) 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 as a sum of consecutive naturals, namely, 4851650 + ... + 4851657.

It is an arithmetic number, because the mean of its divisors is an integer number (11320526).

Almost surely, 2^38813228 is an apocalyptic number.

It is an amenable number.

38813228 is a deficient number, since it is larger than the sum of its proper divisors (29109928).

38813228 is a wasteful number, since it uses less digits than its factorization.

38813228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703311 (or 9703309 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 38813228 is about 6230.0263241819. The cubic root of 38813228 is about 338.5789245247.

The spelling of 38813228 in words is "thirty-eight million, eight hundred thirteen thousand, two hundred twenty-eight".