15960243 has 8 divisors (see below), whose sum is σ = 22917328. Its totient is φ = 9821664.

The previous prime is 15960221. The next prime is 15960277. The reversal of 15960243 is 34206951.

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

It is not a de Polignac number, because 15960243 - 2⁵ = 15960211 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 15960243.

It is not an unprimeable number, because it can be changed into a prime (15960293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 204580 + ... + 204657.

It is an arithmetic number, because the mean of its divisors is an integer number (2864666).

Almost surely, 2^15960243 is an apocalyptic number.

15960243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15960243 is a deficient number, since it is larger than the sum of its proper divisors (6957085).

15960243 is a wasteful number, since it uses less digits than its factorization.

15960243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409253.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 15960243 is about 3995.0272840120. The cubic root of 15960243 is about 251.7753256990.

The spelling of 15960243 in words is "fifteen million, nine hundred sixty thousand, two hundred forty-three".