2061140 has 24 divisors (see below), whose sum is σ = 4356072. Its totient is φ = 819200.

The previous prime is 2061127. The next prime is 2061149. The reversal of 2061140 is 411602.

It can be written as a sum of positive squares in 4 ways, for example, as 1449616 + 611524 = 1204^2 + 782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (181503).

2^2061140 is an apocalyptic number.

2061140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061140 is an abundant number, since it is smaller than the sum of its proper divisors (2294932).

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

2061140 is a wasteful number, since it uses less digits than its factorization.

2061140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2061140 is about 1435.6670923303. The cubic root of 2061140 is about 127.2630997665.

Adding to 2061140 its reverse (411602), we get a palindrome (2472742).

The spelling of 2061140 in words is "two million, sixty-one thousand, one hundred forty".