2129734 has 4 divisors (see below), whose sum is σ = 3194604. Its totient is φ = 1064866.

The previous prime is 2129719. The next prime is 2129741. The reversal of 2129734 is 4379212.

2129734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 2⁹ + 9⁶ + 7⁴ + 3¹³ + 4⁵ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532432 + ... + 532435.

It is an arithmetic number, because the mean of its divisors is an integer number (798651).

2^2129734 is an apocalyptic number.

2129734 is a deficient number, since it is larger than the sum of its proper divisors (1064870).

2129734 is a wasteful number, since it uses less digits than its factorization.

2129734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064869.

The product of its digits is 3024, while the sum is 28.

The square root of 2129734 is about 1459.3608189889. The cubic root of 2129734 is about 128.6594788984.

The spelling of 2129734 in words is "two million, one hundred twenty-nine thousand, seven hundred thirty-four".