2156082 has 16 divisors (see below), whose sum is σ = 4539360. Its totient is φ = 680832.

The previous prime is 2156071. The next prime is 2156083. The reversal of 2156082 is 2806512.

It is not an unprimeable number, because it can be changed into a prime (2156083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9343 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (283710).

2^2156082 is an apocalyptic number.

2156082 is an abundant number, since it is smaller than the sum of its proper divisors (2383278).

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

2156082 is a wasteful number, since it uses less digits than its factorization.

2156082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2156082 is about 1468.3603100057. The cubic root of 2156082 is about 129.1878759946.

The spelling of 2156082 in words is "two million, one hundred fifty-six thousand, eighty-two".