10490321 has 6 divisors (see below), whose sum is σ = 10645266. Its totient is φ = 10337600.

The previous prime is 10490317. The next prime is 10490329. The reversal of 10490321 is 12309401.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 2016400 = 2911^2 + 1420^2 .

It is not a de Polignac number, because 10490321 - 2² = 10490317 is a prime.

It is a super-2 number, since 2×10490321² = 220093669366082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10490293 and 10490302.

It is not an unprimeable number, because it can be changed into a prime (10490329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4001 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (1774211).

Almost surely, 2^10490321 is an apocalyptic number.

It is an amenable number.

10490321 is a deficient number, since it is larger than the sum of its proper divisors (154945).

10490321 is an frugal number, since it uses more digits than its factorization.

10490321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10490321 is about 3238.8765027398. The cubic root of 10490321 is about 218.9086516017.

Adding to 10490321 its reverse (12309401), we get a palindrome (22799722).

The spelling of 10490321 in words is "ten million, four hundred ninety thousand, three hundred twenty-one".