8536820 has 12 divisors (see below), whose sum is σ = 17927364. Its totient is φ = 3414720.

The previous prime is 8536807. The next prime is 8536831. The reversal of 8536820 is 286358.

It can be written as a sum of positive squares in 2 ways, for example, as 5626384 + 2910436 = 2372^2 + 1706^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213401 + ... + 213440.

It is an arithmetic number, because the mean of its divisors is an integer number (1493947).

Almost surely, 2^8536820 is an apocalyptic number.

It is an amenable number.

8536820 is an abundant number, since it is smaller than the sum of its proper divisors (9390544).

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

8536820 is a wasteful number, since it uses less digits than its factorization.

8536820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426850 (or 426848 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 8536820 is about 2921.7837017822. The cubic root of 8536820 is about 204.3770101147.

The spelling of 8536820 in words is "eight million, five hundred thirty-six thousand, eight hundred twenty".