2135784 has 32 divisors (see below), whose sum is σ = 6102720. Its totient is φ = 610176.

The previous prime is 2135779. The next prime is 2135797. The reversal of 2135784 is 4875312.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 3⁴ + 5⁵ + 7⁴ + 8⁵ + 4⁴ .

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, 6189 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (190710).

2^2135784 is an apocalyptic number.

2135784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2135784 is an abundant number, since it is smaller than the sum of its proper divisors (3966936).

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

2135784 is a wasteful number, since it uses less digits than its factorization.

2135784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729 (or 12725 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 2135784 is about 1461.4321742729. The cubic root of 2135784 is about 128.7811926810.

The spelling of 2135784 in words is "two million, one hundred thirty-five thousand, seven hundred eighty-four".