2115424 has 12 divisors (see below), whose sum is σ = 4164804. Its totient is φ = 1057696.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115424 is 4245112.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115427) 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, 33022 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (347067).

2^2115424 is an apocalyptic number.

It is an amenable number.

2115424 is a deficient number, since it is larger than the sum of its proper divisors (2049380).

2115424 is an equidigital number, since it uses as much as digits as its factorization.

2115424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66117 (or 66109 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 2115424 is about 1454.4497241225. The cubic root of 2115424 is about 128.3706703453.

The spelling of 2115424 in words is "two million, one hundred fifteen thousand, four hundred twenty-four".