38840223 has 32 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 23417856.

The previous prime is 38840213. The next prime is 38840227. The reversal of 38840223 is 32204883.

It is not a de Polignac number, because 38840223 - 2⁶ = 38840159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38840227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195078 + ... + 195276.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^38840223 is an apocalyptic number.

38840223 is a deficient number, since it is larger than the sum of its proper divisors (18183777).

38840223 is a wasteful number, since it uses less digits than its factorization.

38840223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 38840223 is about 6232.1924713539. The cubic root of 38840223 is about 338.6574013773.

The spelling of 38840223 in words is "thirty-eight million, eight hundred forty thousand, two hundred twenty-three".