2104830 has 96 divisors (see below), whose sum is σ = 6761664. Its totient is φ = 442368.

The previous prime is 2104811. The next prime is 2104841. The reversal of 2104830 is 384012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8062 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (70434).

2^2104830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380832).

2104830 is an abundant number, since it is smaller than the sum of its proper divisors (4656834).

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

2104830 is a wasteful number, since it uses less digits than its factorization.

2104830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2104830 is about 1450.8032258029. The cubic root of 2104830 is about 128.1560190612.

Adding to 2104830 its reverse (384012), we get a palindrome (2488842).

The spelling of 2104830 in words is "two million, one hundred four thousand, eight hundred thirty".