38522893 has 4 divisors (see below), whose sum is σ = 38804220. Its totient is φ = 38241568.

The previous prime is 38522851. The next prime is 38522909. The reversal of 38522893 is 39822583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33200644 + 5322249 = 5762^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 38522893 - 2⁹ = 38522381 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38522593) 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, 140458 + ... + 140731.

It is an arithmetic number, because the mean of its divisors is an integer number (9701055).

Almost surely, 2^38522893 is an apocalyptic number.

It is an amenable number.

38522893 is a deficient number, since it is larger than the sum of its proper divisors (281327).

38522893 is a wasteful number, since it uses less digits than its factorization.

38522893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281326.

The product of its digits is 103680, while the sum is 40.

The square root of 38522893 is about 6206.6813193526. The cubic root of 38522893 is about 337.7325855405.

The spelling of 38522893 in words is "thirty-eight million, five hundred twenty-two thousand, eight hundred ninety-three".