2115393 has 8 divisors (see below), whose sum is σ = 3223488. Its totient is φ = 1208784.

The previous prime is 2115371. The next prime is 2115397. The reversal of 2115393 is 3935112.

It is a happy number.

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

It is not a de Polignac number, because 2115393 - 2⁹ = 2114881 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2115393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2115397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50346 + ... + 50387.

It is an arithmetic number, because the mean of its divisors is an integer number (402936).

2^2115393 is an apocalyptic number.

It is an amenable number.

2115393 is a deficient number, since it is larger than the sum of its proper divisors (1108095).

2115393 is a wasteful number, since it uses less digits than its factorization.

2115393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100743.

The product of its digits is 810, while the sum is 24.

The square root of 2115393 is about 1454.4390671321. The cubic root of 2115393 is about 128.3700432827.

The spelling of 2115393 in words is "two million, one hundred fifteen thousand, three hundred ninety-three".