10009490 has 24 divisors (see below), whose sum is σ = 18385380. Its totient is φ = 3923520.

The previous prime is 10009487. The next prime is 10009507. The reversal of 10009490 is 9490001.

10009490 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 6 ways, for example, as 231361 + 9778129 = 481^2 + 3127^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37076 + ... + 37344.

Almost surely, 2^10009490 is an apocalyptic number.

10009490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10009490 is a deficient number, since it is larger than the sum of its proper divisors (8375890).

10009490 is an equidigital number, since it uses as much as digits as its factorization.

10009490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10009490 is about 3163.7778050931. Note that the first 3 decimals coincide. The cubic root of 10009490 is about 215.5115994065.

Adding to 10009490 its reverse (9490001), we get a palindrome (19499491).

The spelling of 10009490 in words is "ten million, nine thousand, four hundred ninety".