38218148 has 6 divisors (see below), whose sum is σ = 66881766. Its totient is φ = 19109072.

The previous prime is 38218127. The next prime is 38218171. The reversal of 38218148 is 84181283.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 1024 = 6182^2 + 32^2 .

It is an unprimeable number.

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, 4777265 + ... + 4777272.

It is an arithmetic number, because the mean of its divisors is an integer number (11146961).

Almost surely, 2^38218148 is an apocalyptic number.

It is an amenable number.

38218148 is a deficient number, since it is larger than the sum of its proper divisors (28663618).

38218148 is a wasteful number, since it uses less digits than its factorization.

38218148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554541 (or 9554539 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 38218148 is about 6182.0828205387. The cubic root of 38218148 is about 336.8396540443.

The spelling of 38218148 in words is "thirty-eight million, two hundred eighteen thousand, one hundred forty-eight".