8563490 has 32 divisors (see below), whose sum is σ = 17478720. Its totient is φ = 2994624.

The previous prime is 8563481. The next prime is 8563501. The reversal of 8563490 is 943658.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8563490.

It is a congruent number.

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, 737 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (546210).

Almost surely, 2^8563490 is an apocalyptic number.

8563490 is an abundant number, since it is smaller than the sum of its proper divisors (8915230).

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

8563490 is a wasteful number, since it uses less digits than its factorization.

8563490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 8563490 is about 2926.3441356067. The cubic root of 8563490 is about 204.5896212295.

The spelling of 8563490 in words is "eight million, five hundred sixty-three thousand, four hundred ninety".