2106280 has 32 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 765760.

The previous prime is 2106277. The next prime is 2106281. The reversal of 2106280 is 826012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2106281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (161595).

2^2106280 is an apocalyptic number.

2106280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106280 is an abundant number, since it is smaller than the sum of its proper divisors (3064760).

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

2106280 is a wasteful number, since it uses less digits than its factorization.

2106280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2106280 is about 1451.3028629476. The cubic root of 2106280 is about 128.1854408470.

The spelling of 2106280 in words is "two million, one hundred six thousand, two hundred eighty".