2104158 has 48 divisors (see below), whose sum is σ = 5195664. Its totient is φ = 564480.

The previous prime is 2104147. The next prime is 2104159. The reversal of 2104158 is 8514012.

It is a Harshad number since it is a multiple of its sum of digits (21).

2104158 is a modest number, since divided by 4158 gives 210 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4788 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (108243).

2^2104158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597832).

2104158 is an abundant number, since it is smaller than the sum of its proper divisors (3091506).

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

2104158 is a wasteful number, since it uses less digits than its factorization.

2104158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2104158 is about 1450.5716114691. The cubic root of 2104158 is about 128.1423790029.

The spelling of 2104158 in words is "two million, one hundred four thousand, one hundred fifty-eight".