38191338 has 24 divisors (see below), whose sum is σ = 85813728. Its totient is φ = 12730284.

The previous prime is 38191327. The next prime is 38191357. The reversal of 38191338 is 83319183.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 38806 + ... + 39777.

It is an arithmetic number, because the mean of its divisors is an integer number (3575572).

Almost surely, 2^38191338 is an apocalyptic number.

38191338 is an abundant number, since it is smaller than the sum of its proper divisors (47622390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38191338 is an equidigital number, since it uses as much as digits as its factorization.

38191338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78600 (or 78588 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 38191338 is about 6179.9140770726. The cubic root of 38191338 is about 336.7608713709.

It can be divided in two parts, 381 and 91338, that added together give a palindrome (91719).

The spelling of 38191338 in words is "thirty-eight million, one hundred ninety-one thousand, three hundred thirty-eight".