8665490 has 16 divisors (see below), whose sum is σ = 16136280. Its totient is φ = 3346560.

The previous prime is 8665471. The next prime is 8665499. The reversal of 8665490 is 945668.

It can be written as a sum of positive squares in 4 ways, for example, as 5276209 + 3389281 = 2297^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (8665499) 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, 14651 + ... + 15230.

Almost surely, 2^8665490 is an apocalyptic number.

8665490 is a deficient number, since it is larger than the sum of its proper divisors (7470790).

8665490 is a wasteful number, since it uses less digits than its factorization.

8665490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29917.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8665490 is about 2943.7204350957. The cubic root of 8665490 is about 205.3987084753.

The spelling of 8665490 in words is "eight million, six hundred sixty-five thousand, four hundred ninety".