15360397 has 6 divisors (see below), whose sum is σ = 16557198. Its totient is φ = 14165784.

The previous prime is 15360377. The next prime is 15360403. The reversal of 15360397 is 79306351.

15360397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 4726276 = 3261^2 + 2174^2 .

It is not a de Polignac number, because 15360397 - 2¹⁵ = 15327629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15360337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13588 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (2759533).

Almost surely, 2^15360397 is an apocalyptic number.

It is an amenable number.

15360397 is a deficient number, since it is larger than the sum of its proper divisors (1196801).

15360397 is an frugal number, since it uses more digits than its factorization.

15360397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 15360397 is about 3919.2342364294. The cubic root of 15360397 is about 248.5807420747.

The spelling of 15360397 in words is "fifteen million, three hundred sixty thousand, three hundred ninety-seven".