2320128 has 108 divisors (see below), whose sum is σ = 7174440. Its totient is φ = 718848.

The previous prime is 2320127. The next prime is 2320139. The reversal of 2320128 is 8210232.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2320128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43750 + ... + 43802.

It is an arithmetic number, because the mean of its divisors is an integer number (66430).

2^2320128 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 2320128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587220).

2320128 is an abundant number, since it is smaller than the sum of its proper divisors (4854312).

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

2320128 is a wasteful number, since it uses less digits than its factorization.

2320128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 77 counting only the distinct ones).

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

The square root of 2320128 is about 1523.1966386518. The cubic root of 2320128 is about 132.3845535294.

The spelling of 2320128 in words is "two million, three hundred twenty thousand, one hundred twenty-eight".