15328869 has 8 divisors (see below), whose sum is σ = 20456832. Its totient is φ = 10210080.

The previous prime is 15328867. The next prime is 15328889. The reversal of 15328869 is 96882351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15328869 - 2¹ = 15328867 is a prime.

It is a super-2 number, since 2×15328869² = 469948449638322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15328869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15328861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (2557104).

Almost surely, 2^15328869 is an apocalyptic number.

It is an amenable number.

15328869 is a deficient number, since it is larger than the sum of its proper divisors (5127963).

15328869 is a wasteful number, since it uses less digits than its factorization.

15328869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587.

The product of its digits is 103680, while the sum is 42.

The square root of 15328869 is about 3915.2099560560. The cubic root of 15328869 is about 248.4105506862.

It can be divided in two parts, 1532 and 8869, that added together give a palindrome (10401).

The spelling of 15328869 in words is "fifteen million, three hundred twenty-eight thousand, eight hundred sixty-nine".