2133744 has 20 divisors (see below), whose sum is σ = 5512296. Its totient is φ = 711232.

The previous prime is 2133743. The next prime is 2133773. The reversal of 2133744 is 4473312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2²¹ + 1 + 3⁴ + 3⁹ + 7⁵ + 4 + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22179 + ... + 22274.

2^2133744 is an apocalyptic number.

2133744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2133744 is an abundant number, since it is smaller than the sum of its proper divisors (3378552).

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

2133744 is a wasteful number, since it uses less digits than its factorization.

2133744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44464 (or 44458 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 2133744 is about 1460.7340620387. The cubic root of 2133744 is about 128.7401777155.

The spelling of 2133744 in words is "two million, one hundred thirty-three thousand, seven hundred forty-four".