2134434 has 16 divisors (see below), whose sum is σ = 4368672. Its totient is φ = 694848.

The previous prime is 2134417. The next prime is 2134439. The reversal of 2134434 is 4344312.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134434.

It is not an unprimeable number, because it can be changed into a prime (2134439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3879 + ... + 4394.

It is an arithmetic number, because the mean of its divisors is an integer number (273042).

2^2134434 is an apocalyptic number.

2134434 is an abundant number, since it is smaller than the sum of its proper divisors (2234238).

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

2134434 is a wasteful number, since it uses less digits than its factorization.

2134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321.

The product of its digits is 1152, while the sum is 21.

The square root of 2134434 is about 1460.9702255693. The cubic root of 2134434 is about 128.7540533490.

Adding to 2134434 its reverse (4344312), we get a palindrome (6478746).

The spelling of 2134434 in words is "two million, one hundred thirty-four thousand, four hundred thirty-four".