8538945 has 8 divisors (see below), whose sum is σ = 13662336. Its totient is φ = 4554096.

The previous prime is 8538941. The next prime is 8538967. The reversal of 8538945 is 5498358.

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

It is not a de Polignac number, because 8538945 - 2² = 8538941 is a prime.

8538945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8538897 and 8538906.

It is not an unprimeable number, because it can be changed into a prime (8538941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284617 + ... + 284646.

It is an arithmetic number, because the mean of its divisors is an integer number (1707792).

Almost surely, 2^8538945 is an apocalyptic number.

It is an amenable number.

8538945 is a deficient number, since it is larger than the sum of its proper divisors (5123391).

8538945 is a wasteful number, since it uses less digits than its factorization.

8538945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569271.

The product of its digits is 172800, while the sum is 42.

The square root of 8538945 is about 2922.1473268814. The cubic root of 8538945 is about 204.3939666674.

The spelling of 8538945 in words is "eight million, five hundred thirty-eight thousand, nine hundred forty-five".