2105865324 has 96 divisors (see below), whose sum is σ = 5598512640. Its totient is φ = 684275904.

The previous prime is 2105865319. The next prime is 2105865337. The reversal of 2105865324 is 4235685012.

2105865324 is a `hidden beast` number, since 2 + 1 + 0 + 586 + 53 + 24 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954807 + ... + 957009.

It is an arithmetic number, because the mean of its divisors is an integer number (58317840).

Almost surely, 2^2105865324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105865324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799256320).

2105865324 is an abundant number, since it is smaller than the sum of its proper divisors (3492647316).

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

2105865324 is a wasteful number, since it uses less digits than its factorization.

2105865324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2105865324 is about 45889.7082579526. The cubic root of 2105865324 is about 1281.7702808224.

The spelling of 2105865324 in words is "two billion, one hundred five million, eight hundred sixty-five thousand, three hundred twenty-four".