2104538 has 4 divisors (see below), whose sum is σ = 3156810. Its totient is φ = 1052268.

The previous prime is 2104507. The next prime is 2104541. The reversal of 2104538 is 8354012.

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

It can be written as a sum of positive squares in only one way, i.e., 1787569 + 316969 = 1337^2 + 563^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526133 + ... + 526136.

2^2104538 is an apocalyptic number.

2104538 is a deficient number, since it is larger than the sum of its proper divisors (1052272).

2104538 is a wasteful number, since it uses less digits than its factorization.

2104538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052271.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2104538 is about 1450.7025884033. The cubic root of 2104538 is about 128.1500924878.

The spelling of 2104538 in words is "two million, one hundred four thousand, five hundred thirty-eight".