2104530984 has 160 divisors (see below), whose sum is σ = 6100534440. Its totient is φ = 677376000.

The previous prime is 2104530977. The next prime is 2104531019. The reversal of 2104530984 is 4890354012.

It can be written as a sum of positive squares in 4 ways, for example, as 1025408484 + 1079122500 = 32022^2 + 32850^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3001834 + ... + 3002534.

Almost surely, 2^2104530984 is an apocalyptic number.

2104530984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104530984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3050267220).

2104530984 is an abundant number, since it is smaller than the sum of its proper divisors (3996003456).

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

2104530984 is a wasteful number, since it uses less digits than its factorization.

2104530984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2104530984 is about 45875.1674002395. The cubic root of 2104530984 is about 1281.4995008093.

Adding to 2104530984 its reverse (4890354012), we get a palindrome (6994884996).

The spelling of 2104530984 in words is "two billion, one hundred four million, five hundred thirty thousand, nine hundred eighty-four".