8505494 has 4 divisors (see below), whose sum is σ = 12758244. Its totient is φ = 4252746.

The previous prime is 8505487. The next prime is 8505509. The reversal of 8505494 is 4945058.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126372 + ... + 2126375.

It is an arithmetic number, because the mean of its divisors is an integer number (3189561).

Almost surely, 2^8505494 is an apocalyptic number.

8505494 is a deficient number, since it is larger than the sum of its proper divisors (4252750).

8505494 is a wasteful number, since it uses less digits than its factorization.

8505494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252749.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8505494 is about 2916.4180084480. The cubic root of 8505494 is about 204.1267154556.

The spelling of 8505494 in words is "eight million, five hundred five thousand, four hundred ninety-four".