2115794 has 4 divisors (see below), whose sum is σ = 3173694. Its totient is φ = 1057896.

The previous prime is 2115791. The next prime is 2115823. The reversal of 2115794 is 4975112.

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

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 113569 = 1415^2 + 337^2 .

It is not an unprimeable number, because it can be changed into a prime (2115791) 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 as a sum of consecutive naturals, namely, 528947 + ... + 528950.

2^2115794 is an apocalyptic number.

2115794 is a deficient number, since it is larger than the sum of its proper divisors (1057900).

2115794 is a wasteful number, since it uses less digits than its factorization.

2115794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057899.

The product of its digits is 2520, while the sum is 29.

The square root of 2115794 is about 1454.5769144325. The cubic root of 2115794 is about 128.3781541688.

The spelling of 2115794 in words is "two million, one hundred fifteen thousand, seven hundred ninety-four".