10390530 has 32 divisors (see below), whose sum is σ = 26251200. Its totient is φ = 2624832.

The previous prime is 10390529. The next prime is 10390531. The reversal of 10390530 is 3509301.

It is an interprime number because it is at equal distance from previous prime (10390529) and next prime (10390531).

It is a super-2 number, since 2×10390530² = 215926227361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10390497 and 10390506.

It is not an unprimeable number, because it can be changed into a prime (10390531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8545 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (820350).

Almost surely, 2^10390530 is an apocalyptic number.

10390530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10390530 is an abundant number, since it is smaller than the sum of its proper divisors (15860670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10390530 is a wasteful number, since it uses less digits than its factorization.

10390530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

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

The square root of 10390530 is about 3223.4345037553. The cubic root of 10390530 is about 218.2123033476.

Adding to 10390530 its reverse (3509301), we get a palindrome (13899831).

The spelling of 10390530 in words is "ten million, three hundred ninety thousand, five hundred thirty".