10320428 has 12 divisors (see below), whose sum is σ = 19123272. Its totient is φ = 4856640.

The previous prime is 10320391. The next prime is 10320437. The reversal of 10320428 is 82402301.

It is a super-2 number, since 2×10320428² = 213022468206368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75818 + ... + 75953.

It is an arithmetic number, because the mean of its divisors is an integer number (1593606).

Almost surely, 2^10320428 is an apocalyptic number.

It is an amenable number.

10320428 is a deficient number, since it is larger than the sum of its proper divisors (8802844).

10320428 is a wasteful number, since it uses less digits than its factorization.

10320428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151792 (or 151790 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10320428 is about 3212.5422954414. The cubic root of 10320428 is about 217.7204564380.

Adding to 10320428 its reverse (82402301), we get a palindrome (92722729).

The spelling of 10320428 in words is "ten million, three hundred twenty thousand, four hundred twenty-eight".