8220486 has 32 divisors (see below), whose sum is σ = 17635968. Its totient is φ = 2545280.

The previous prime is 8220481. The next prime is 8220493. The reversal of 8220486 is 6840228.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7981 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (551124).

Almost surely, 2^8220486 is an apocalyptic number.

8220486 is an abundant number, since it is smaller than the sum of its proper divisors (9415482).

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

8220486 is a wasteful number, since it uses less digits than its factorization.

8220486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8220486 is about 2867.1389920965. The cubic root of 8220486 is about 201.8207572478.

The spelling of 8220486 in words is "eight million, two hundred twenty thousand, four hundred eighty-six".