2104530 has 64 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 519680.

The previous prime is 2104507. The next prime is 2104541. The reversal of 2104530 is 354012.

2104530 = T₂₈ + T₂₉ + ... + T₂₃₂.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35641 + ... + 35699.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^2104530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2104530 is an abundant number, since it is smaller than the sum of its proper divisors (3338670).

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

2104530 is a wasteful number, since it uses less digits than its factorization.

2104530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2104530 is about 1450.6998311160. The cubic root of 2104530 is about 128.1499301082.

Adding to 2104530 its reverse (354012), we get a palindrome (2458542).

The spelling of 2104530 in words is "two million, one hundred four thousand, five hundred thirty".