10389015 has 96 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 4209408.

The previous prime is 10389013. The next prime is 10389037. The reversal of 10389015 is 51098301.

10389015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10389015 - 2¹ = 10389013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10389015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10389013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176056 + ... + 176114.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

Almost surely, 2^10389015 is an apocalyptic number.

10389015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10389015 is an abundant number, since it is smaller than the sum of its proper divisors (12674025).

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

10389015 is a wasteful number, since it uses less digits than its factorization.

10389015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 10389015 is about 3223.1994973939. The cubic root of 10389015 is about 218.2016972891.

The spelling of 10389015 in words is "ten million, three hundred eighty-nine thousand, fifteen".