2305890912 has 96 divisors (see below), whose sum is σ = 6694888032. Its totient is φ = 690315264.

The previous prime is 2305890893. The next prime is 2305890913. The reversal of 2305890912 is 2190985032.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305890913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21208 + ... + 71144.

It is an arithmetic number, because the mean of its divisors is an integer number (69738417).

Almost surely, 2^2305890912 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 2305890912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347444016).

2305890912 is an abundant number, since it is smaller than the sum of its proper divisors (4388997120).

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

2305890912 is a wasteful number, since it uses less digits than its factorization.

2305890912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000 (or 49992 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2305890912 is about 48019.6929602845. The cubic root of 2305890912 is about 1321.1321233173.

The spelling of 2305890912 in words is "two billion, three hundred five million, eight hundred ninety thousand, nine hundred twelve".