38841893 has 4 divisors (see below), whose sum is σ = 39138528. Its totient is φ = 38545260.

The previous prime is 38841877. The next prime is 38841911. The reversal of 38841893 is 39814883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38841893 - 2⁴ = 38841877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38841863) 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 3 ways as a sum of consecutive naturals, for example, 148121 + ... + 148382.

It is an arithmetic number, because the mean of its divisors is an integer number (9784632).

Almost surely, 2^38841893 is an apocalyptic number.

It is an amenable number.

38841893 is a deficient number, since it is larger than the sum of its proper divisors (296635).

38841893 is a wasteful number, since it uses less digits than its factorization.

38841893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296634.

The product of its digits is 165888, while the sum is 44.

The square root of 38841893 is about 6232.3264516551. The cubic root of 38841893 is about 338.6622550205.

The spelling of 38841893 in words is "thirty-eight million, eight hundred forty-one thousand, eight hundred ninety-three".