38724245 has 8 divisors (see below), whose sum is σ = 53107584. Its totient is φ = 26553744.

The previous prime is 38724187. The next prime is 38724269. The reversal of 38724245 is 54242783.

38724245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38724245 - 2¹⁰ = 38723221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1106407 = 38724245 / (3 + 8 + 7 + 2 + 4 + 2 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553169 + ... + 553238.

It is an arithmetic number, because the mean of its divisors is an integer number (6638448).

Almost surely, 2^38724245 is an apocalyptic number.

38724245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38724245 is a deficient number, since it is larger than the sum of its proper divisors (14383339).

38724245 is a wasteful number, since it uses less digits than its factorization.

38724245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106419.

The product of its digits is 53760, while the sum is 35.

The square root of 38724245 is about 6222.8807637621. The cubic root of 38724245 is about 338.3199851292.

The spelling of 38724245 in words is "thirty-eight million, seven hundred twenty-four thousand, two hundred forty-five".