38041891 has 8 divisors (see below), whose sum is σ = 39060000. Its totient is φ = 37028160.

The previous prime is 38041889. The next prime is 38041901. The reversal of 38041891 is 19814083.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38041891 - 2¹ = 38041889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38041841) by changing a digit.

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, 23785 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (4882500).

Almost surely, 2^38041891 is an apocalyptic number.

38041891 is a deficient number, since it is larger than the sum of its proper divisors (1018109).

38041891 is a wasteful number, since it uses less digits than its factorization.

38041891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 38041891 is about 6167.8108758294. The cubic root of 38041891 is about 336.3210361106.

The spelling of 38041891 in words is "thirty-eight million, forty-one thousand, eight hundred ninety-one".