38884918 has 8 divisors (see below), whose sum is σ = 58444848. Its totient is φ = 19403304.

The previous prime is 38884913. The next prime is 38884921. The reversal of 38884918 is 81948883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38884913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18321 + ... + 20332.

It is an arithmetic number, because the mean of its divisors is an integer number (7305606).

Almost surely, 2^38884918 is an apocalyptic number.

38884918 is a deficient number, since it is larger than the sum of its proper divisors (19559930).

38884918 is a wasteful number, since it uses less digits than its factorization.

38884918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39158.

The product of its digits is 442368, while the sum is 49.

The square root of 38884918 is about 6235.7772570867. Note that the first 3 decimals coincide. The cubic root of 38884918 is about 338.7872537924.

The spelling of 38884918 in words is "thirty-eight million, eight hundred eighty-four thousand, nine hundred eighteen".