15239982 has 8 divisors (see below), whose sum is σ = 30479976. Its totient is φ = 5079992.

The previous prime is 15239981. The next prime is 15239989. The reversal of 15239982 is 28993251.

15239982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

15239982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 15239982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15239981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269993 + ... + 1270004.

It is an arithmetic number, because the mean of its divisors is an integer number (3809997).

Almost surely, 2^15239982 is an apocalyptic number.

15239982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15239982 is a wasteful number, since it uses less digits than its factorization.

15239982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540002.

The product of its digits is 38880, while the sum is 39.

The square root of 15239982 is about 3903.8419537681. The cubic root of 15239982 is about 247.9294696242.

The spelling of 15239982 in words is "fifteen million, two hundred thirty-nine thousand, nine hundred eighty-two".