8538906 has 32 divisors (see below), whose sum is σ = 17716608. Its totient is φ = 2741760.

The previous prime is 8538889. The next prime is 8538931. The reversal of 8538906 is 6098358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25170 + ... + 25506.

It is an arithmetic number, because the mean of its divisors is an integer number (553644).

Almost surely, 2^8538906 is an apocalyptic number.

8538906 is an abundant number, since it is smaller than the sum of its proper divisors (9177702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8538906 is a wasteful number, since it uses less digits than its factorization.

8538906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8538906 is about 2922.1406536989. The cubic root of 8538906 is about 204.3936554902.

The spelling of 8538906 in words is "eight million, five hundred thirty-eight thousand, nine hundred six".