38824249 has 4 divisors (see below), whose sum is σ = 39556836. Its totient is φ = 38091664.

The previous prime is 38824241. The next prime is 38824297. The reversal of 38824249 is 94242883.

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 24078649 + 14745600 = 4907^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 38824249 - 2³ = 38824241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38824241) 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, 366214 + ... + 366319.

It is an arithmetic number, because the mean of its divisors is an integer number (9889209).

Almost surely, 2^38824249 is an apocalyptic number.

It is an amenable number.

38824249 is a deficient number, since it is larger than the sum of its proper divisors (732587).

38824249 is an equidigital number, since it uses as much as digits as its factorization.

38824249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732586.

The product of its digits is 110592, while the sum is 40.

The square root of 38824249 is about 6230.9107680980. The cubic root of 38824249 is about 338.6109679405.

The spelling of 38824249 in words is "thirty-eight million, eight hundred twenty-four thousand, two hundred forty-nine".