38970245 has 4 divisors (see below), whose sum is σ = 46764300. Its totient is φ = 31176192.

The previous prime is 38970221. The next prime is 38970263. The reversal of 38970245 is 54207983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54207983 = 79 ⋅686177.

It can be written as a sum of positive squares in 2 ways, for example, as 13184161 + 25786084 = 3631^2 + 5078^2 .

It is a cyclic number.

It is not a de Polignac number, because 38970245 - 2¹⁰ = 38969221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38970199 and 38970208.

It is a congruent number.

It is an unprimeable number.

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, 3897020 + ... + 3897029.

It is an arithmetic number, because the mean of its divisors is an integer number (11691075).

Almost surely, 2^38970245 is an apocalyptic number.

It is an amenable number.

38970245 is a deficient number, since it is larger than the sum of its proper divisors (7794055).

38970245 is an equidigital number, since it uses as much as digits as its factorization.

38970245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794054.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 38970245 is about 6242.6152372223. The cubic root of 38970245 is about 339.0348783448.

The spelling of 38970245 in words is "thirty-eight million, nine hundred seventy thousand, two hundred forty-five".