2115388 has 24 divisors (see below), whose sum is σ = 4080384. Its totient is φ = 951600.

The previous prime is 2115371. The next prime is 2115397. The reversal of 2115388 is 8835112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5581 + ... + 5947.

It is an arithmetic number, because the mean of its divisors is an integer number (170016).

2^2115388 is an apocalyptic number.

It is an amenable number.

2115388 is a deficient number, since it is larger than the sum of its proper divisors (1964996).

2115388 is a wasteful number, since it uses less digits than its factorization.

2115388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 2115388 is about 1454.4373482553. The cubic root of 2115388 is about 128.3699421429.

The spelling of 2115388 in words is "two million, one hundred fifteen thousand, three hundred eighty-eight".