15268338 has 30 divisors (see below), whose sum is σ = 34324191. Its totient is φ = 5072868.

The previous prime is 15268333. The next prime is 15268369. The reversal of 15268338 is 83386251.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 7634169 = 2763^2 + 2763^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2763.

It is not an unprimeable number, because it can be changed into a prime (15268333) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 49581 + ... + 49887.

Almost surely, 2^15268338 is an apocalyptic number.

15268338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15268338

15268338 is an abundant number, since it is smaller than the sum of its proper divisors (19055853).

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

15268338 is an frugal number, since it uses more digits than its factorization.

15268338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 312 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 15268338 is about 3907.4720728369. The cubic root of 15268338 is about 248.0831428652.

The spelling of 15268338 in words is "fifteen million, two hundred sixty-eight thousand, three hundred thirty-eight".