38747228 has 24 divisors (see below), whose sum is σ = 73309488. Its totient is φ = 17813376.

The previous prime is 38747221. The next prime is 38747231. The reversal of 38747228 is 82274783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38747221) 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, 13400 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (3054562).

Almost surely, 2^38747228 is an apocalyptic number.

It is an amenable number.

38747228 is a deficient number, since it is larger than the sum of its proper divisors (34562260).

38747228 is a wasteful number, since it uses less digits than its factorization.

38747228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2931 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 38747228 is about 6224.7271426144. The cubic root of 38747228 is about 338.3869033302.

The spelling of 38747228 in words is "thirty-eight million, seven hundred forty-seven thousand, two hundred twenty-eight".