2331380 has 24 divisors (see below), whose sum is σ = 5184648. Its totient is φ = 877568.

The previous prime is 2331379. The next prime is 2331391. The reversal of 2331380 is 831332.

2331380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33124 + 2298256 = 182^2 + 1516^2 .

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3089 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (216027).

2^2331380 is an apocalyptic number.

2331380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331380 is an abundant number, since it is smaller than the sum of its proper divisors (2853268).

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

2331380 is a wasteful number, since it uses less digits than its factorization.

2331380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6881 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2331380 is about 1526.8857193647. The cubic root of 2331380 is about 132.5982183824.

The spelling of 2331380 in words is "two million, three hundred thirty-one thousand, three hundred eighty".