9490 has 16 divisors (see below), whose sum is σ = 18648. Its totient is φ = 3456.

The previous prime is 9479. The next prime is 9491. The reversal of 9490 is 949.

9490 is nontrivially palindromic in base 3 and base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 3249 = 79^2 + 57^2 .

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

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is a zygodrome in base 3 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491) by changing a digit.

9490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 166.

2⁹⁴⁹⁰ is an apocalyptic number.

9490 is a deficient number, since it is larger than the sum of its proper divisors (9158).

9490 is a wasteful number, since it uses less digits than its factorization.

9490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9490 is about 97.4166310237. The cubic root of 9490 is about 21.1716840428.

The spelling of 9490 in words is "nine thousand, four hundred ninety".