2011380 has 48 divisors (see below), whose sum is σ = 6437760. Its totient is φ = 459648.

The previous prime is 2011363. The next prime is 2011381. The reversal of 2011380 is 831102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011381) 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, 1975 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (134120).

2^2011380 is an apocalyptic number.

2011380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011380 is an abundant number, since it is smaller than the sum of its proper divisors (4426380).

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

2011380 is a wasteful number, since it uses less digits than its factorization.

2011380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2011380 is about 1418.2312928433. The cubic root of 2011380 is about 126.2306182056.

Adding to 2011380 its reverse (831102), we get a palindrome (2842482).

The spelling of 2011380 in words is "two million, eleven thousand, three hundred eighty".