2164534 has 8 divisors (see below), whose sum is σ = 3322440. Its totient is φ = 1057056.

The previous prime is 2164529. The next prime is 2164571. The reversal of 2164534 is 4354612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2164499 and 2164508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12499 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (415305).

2^2164534 is an apocalyptic number.

2164534 is a deficient number, since it is larger than the sum of its proper divisors (1157906).

2164534 is a wasteful number, since it uses less digits than its factorization.

2164534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25214.

The product of its digits is 2880, while the sum is 25.

The square root of 2164534 is about 1471.2355351880. The cubic root of 2164534 is about 129.3564645511.

The spelling of 2164534 in words is "two million, one hundred sixty-four thousand, five hundred thirty-four".