2106534 has 16 divisors (see below), whose sum is σ = 4253040. Its totient is φ = 695520.

The previous prime is 2106529. The next prime is 2106551. The reversal of 2106534 is 4356012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106534.

It is a congruent number.

It is an unprimeable number.

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, 957 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (265815).

2^2106534 is an apocalyptic number.

2106534 is an abundant number, since it is smaller than the sum of its proper divisors (2146506).

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

2106534 is a wasteful number, since it uses less digits than its factorization.

2106534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2106534 is about 1451.3903678887. The cubic root of 2106534 is about 128.1905933423.

The spelling of 2106534 in words is "two million, one hundred six thousand, five hundred thirty-four".