2118536 has 16 divisors (see below), whose sum is σ = 4539840. Its totient is φ = 907920.

The previous prime is 2118527. The next prime is 2118541. The reversal of 2118536 is 6358112.

It is an unprimeable number.

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, 18860 + ... + 18971.

It is an arithmetic number, because the mean of its divisors is an integer number (283740).

2^2118536 is an apocalyptic number.

It is an amenable number.

2118536 is an abundant number, since it is smaller than the sum of its proper divisors (2421304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118536 is a wasteful number, since it uses less digits than its factorization.

2118536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37844 (or 37840 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 2118536 is about 1455.5191513683. The cubic root of 2118536 is about 128.4335881953.

The spelling of 2118536 in words is "two million, one hundred eighteen thousand, five hundred thirty-six".