8490490 has 8 divisors (see below), whose sum is σ = 15282900. Its totient is φ = 3396192.

The previous prime is 8490487. The next prime is 8490491. The reversal of 8490490 is 940948.

8490490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6880129 + 1610361 = 2623^2 + 1269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8490491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424515 + ... + 424534.

Almost surely, 2^8490490 is an apocalyptic number.

8490490 is a deficient number, since it is larger than the sum of its proper divisors (6792410).

8490490 is a wasteful number, since it uses less digits than its factorization.

8490490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849056.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8490490 is about 2913.8445394358. The cubic root of 8490490 is about 204.0066158306.

The spelling of 8490490 in words is "eight million, four hundred ninety thousand, four hundred ninety".