15238116 has 18 divisors (see below), whose sum is σ = 38518662. Its totient is φ = 5079360.

The previous prime is 15238109. The next prime is 15238123. The reversal of 15238116 is 61183251.

It is an interprime number because it is at equal distance from previous prime (15238109) and next prime (15238123).

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 5503716 = 3120^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 15238116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211605 + ... + 211676.

Almost surely, 2^15238116 is an apocalyptic number.

It is an amenable number.

15238116 is an abundant number, since it is smaller than the sum of its proper divisors (23280546).

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

15238116 is a wasteful number, since it uses less digits than its factorization.

15238116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423291 (or 423286 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 15238116 is about 3903.6029511209. The cubic root of 15238116 is about 247.9193502930.

The spelling of 15238116 in words is "fifteen million, two hundred thirty-eight thousand, one hundred sixteen".