2815379 has 4 divisors (see below), whose sum is σ = 3217584. Its totient is φ = 2413176.

The previous prime is 2815369. The next prime is 2815399. The reversal of 2815379 is 9735182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2815379 - 2⁸ = 2815123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2815369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201092 + ... + 201105.

It is an arithmetic number, because the mean of its divisors is an integer number (804396).

2^2815379 is an apocalyptic number.

2815379 is a deficient number, since it is larger than the sum of its proper divisors (402205).

2815379 is an equidigital number, since it uses as much as digits as its factorization.

2815379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402204.

The product of its digits is 15120, while the sum is 35.

The square root of 2815379 is about 1677.9091155364. The cubic root of 2815379 is about 141.2035522223.

The spelling of 2815379 in words is "two million, eight hundred fifteen thousand, three hundred seventy-nine".