8545490 has 16 divisors (see below), whose sum is σ = 15635160. Its totient is φ = 3361920.

The previous prime is 8545487. The next prime is 8545499. The reversal of 8545490 is 945458.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 2819041 = 2393^2 + 1679^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8545490.

It is not an unprimeable number, because it can be changed into a prime (8545499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6395 + ... + 7614.

Almost surely, 2^8545490 is an apocalyptic number.

8545490 is a deficient number, since it is larger than the sum of its proper divisors (7089670).

8545490 is a wasteful number, since it uses less digits than its factorization.

8545490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14077.

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

The square root of 8545490 is about 2923.2670079895. The cubic root of 8545490 is about 204.4461751805.

The spelling of 8545490 in words is "eight million, five hundred forty-five thousand, four hundred ninety".