2355320 has 64 divisors (see below), whose sum is σ = 5948640. Its totient is φ = 832000.

The previous prime is 2355317. The next prime is 2355329. The reversal of 2355320 is 235532.

2355320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2355292 and 2355301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23270 + ... + 23370.

2^2355320 is an apocalyptic number.

2355320 is a gapful number since it is divisible by the number (20) 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 2355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974320).

2355320 is an abundant number, since it is smaller than the sum of its proper divisors (3593320).

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

2355320 is a wasteful number, since it uses less digits than its factorization.

2355320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 2355320 is about 1534.7051834147. The cubic root of 2355320 is about 133.0505395204.

It can be divided in two parts, 235 and 5320, that added together give a palindrome (5555).

The spelling of 2355320 in words is "two million, three hundred fifty-five thousand, three hundred twenty".