10385215 has 12 divisors (see below), whose sum is σ = 13240296. Its totient is φ = 7818368.

The previous prime is 10385203. The next prime is 10385227. The reversal of 10385215 is 51258301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10385203) and next prime (10385227).

It is not a de Polignac number, because 10385215 - 2⁵ = 10385183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10385215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2149 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (1103358).

Almost surely, 2^10385215 is an apocalyptic number.

10385215 is a deficient number, since it is larger than the sum of its proper divisors (2855081).

10385215 is an equidigital number, since it uses as much as digits as its factorization.

10385215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7209 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 10385215 is about 3222.6099670919. The cubic root of 10385215 is about 218.1750900966.

The spelling of 10385215 in words is "ten million, three hundred eighty-five thousand, two hundred fifteen".