2815238 has 4 divisors (see below), whose sum is σ = 4222860. Its totient is φ = 1407618.

The previous prime is 2815237. The next prime is 2815247. The reversal of 2815238 is 8325182.

2815238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8325182 = 2 ⋅4162591.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2815238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815237) by changing a digit.

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 as a sum of consecutive naturals, namely, 703808 + ... + 703811.

It is an arithmetic number, because the mean of its divisors is an integer number (1055715).

2^2815238 is an apocalyptic number.

2815238 is a deficient number, since it is larger than the sum of its proper divisors (1407622).

2815238 is a wasteful number, since it uses less digits than its factorization.

2815238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407621.

The product of its digits is 3840, while the sum is 29.

The square root of 2815238 is about 1677.8670984318. The cubic root of 2815238 is about 141.2011949277.

The spelling of 2815238 in words is "two million, eight hundred fifteen thousand, two hundred thirty-eight".