8238945 has 64 divisors (see below), whose sum is σ = 16257024. Its totient is φ = 3505920.

The previous prime is 8238907. The next prime is 8238953. The reversal of 8238945 is 5498328.

It is a happy number.

It is not a de Polignac number, because 8238945 - 2⁷ = 8238817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49252 + ... + 49418.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^8238945 is an apocalyptic number.

It is an amenable number.

8238945 is a deficient number, since it is larger than the sum of its proper divisors (8018079).

8238945 is a wasteful number, since it uses less digits than its factorization.

8238945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

The product of its digits is 69120, while the sum is 39.

The square root of 8238945 is about 2870.3562496666. The cubic root of 8238945 is about 201.9717063270.

The spelling of 8238945 in words is "eight million, two hundred thirty-eight thousand, nine hundred forty-five".