38870218 has 16 divisors (see below), whose sum is σ = 60408576. Its totient is φ = 18738720.

The previous prime is 38870201. The next prime is 38870233. The reversal of 38870218 is 81207883.

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 in 7 ways as a sum of consecutive naturals, for example, 18405 + ... + 20407.

It is an arithmetic number, because the mean of its divisors is an integer number (3775536).

Almost surely, 2^38870218 is an apocalyptic number.

38870218 is a deficient number, since it is larger than the sum of its proper divisors (21538358).

38870218 is a wasteful number, since it uses less digits than its factorization.

38870218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 38870218 is about 6234.5984634137. The cubic root of 38870218 is about 338.7445568585.

The spelling of 38870218 in words is "thirty-eight million, eight hundred seventy thousand, two hundred eighteen".