8520842 has 16 divisors (see below), whose sum is σ = 14764032. Its totient is φ = 3645120.

The previous prime is 8520829. The next prime is 8520851. The reversal of 8520842 is 2480258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11018 + ... + 11765.

It is an arithmetic number, because the mean of its divisors is an integer number (922752).

Almost surely, 2^8520842 is an apocalyptic number.

8520842 is a deficient number, since it is larger than the sum of its proper divisors (6243190).

8520842 is a wasteful number, since it uses less digits than its factorization.

8520842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22813.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8520842 is about 2919.0481325254. The cubic root of 8520842 is about 204.2494225856.

The spelling of 8520842 in words is "eight million, five hundred twenty thousand, eight hundred forty-two".