2156060 has 24 divisors (see below), whose sum is σ = 4598160. Its totient is φ = 849024.

The previous prime is 2156053. The next prime is 2156071. The reversal of 2156060 is 606512.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (191590).

2^2156060 is an apocalyptic number.

2156060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2156060 is an abundant number, since it is smaller than the sum of its proper divisors (2442100).

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

2156060 is a wasteful number, since it uses less digits than its factorization.

2156060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2156060 is about 1468.3528186373. The cubic root of 2156060 is about 129.1874365953.

The spelling of 2156060 in words is "two million, one hundred fifty-six thousand, sixty".