2172434 has 24 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 961400.

The previous prime is 2172433. The next prime is 2172461. The reversal of 2172434 is 4342712.

2172434 is nontrivially palindromic in base 4.

It is not an unprimeable number, because it can be changed into a prime (2172433) 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 11 ways as a sum of consecutive naturals, for example, 11279 + ... + 11469.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2172434 is an apocalyptic number.

2172434 is a deficient number, since it is larger than the sum of its proper divisors (1504750).

2172434 is a wasteful number, since it uses less digits than its factorization.

2172434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 251 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 2172434 is about 1473.9179081618. The cubic root of 2172434 is about 129.5136462416.

The spelling of 2172434 in words is "two million, one hundred seventy-two thousand, four hundred thirty-four".