2115394 has 8 divisors (see below), whose sum is σ = 3216780. Its totient is φ = 1043136.

The previous prime is 2115371. The next prime is 2115397. The reversal of 2115394 is 4935112.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 56169 = 1435^2 + 237^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 7099 + ... + 7390.

2^2115394 is an apocalyptic number.

2115394 is a deficient number, since it is larger than the sum of its proper divisors (1101386).

2115394 is a wasteful number, since it uses less digits than its factorization.

2115394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564.

The product of its digits is 1080, while the sum is 25.

The square root of 2115394 is about 1454.4394109072. The cubic root of 2115394 is about 128.3700635106.

The spelling of 2115394 in words is "two million, one hundred fifteen thousand, three hundred ninety-four".