10390305 has 32 divisors (see below), whose sum is σ = 17297280. Its totient is φ = 5322240.

The previous prime is 10390297. The next prime is 10390307. The reversal of 10390305 is 50309301.

It is not a de Polignac number, because 10390305 - 2³ = 10390297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10390307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57315 + ... + 57495.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 2^10390305 is an apocalyptic number.

10390305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10390305 is a deficient number, since it is larger than the sum of its proper divisors (6906975).

10390305 is a wasteful number, since it uses less digits than its factorization.

10390305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 10390305 is about 3223.3996029037. The cubic root of 10390305 is about 218.2107282556.

Adding to 10390305 its reverse (50309301), we get a palindrome (60699606).

The spelling of 10390305 in words is "ten million, three hundred ninety thousand, three hundred five".