2823660 has 144 divisors (see below), whose sum is σ = 10273536. Its totient is φ = 637632.

The previous prime is 2823637. The next prime is 2823661. The reversal of 2823660 is 663282.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2823661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33979 + ... + 34061.

It is an arithmetic number, because the mean of its divisors is an integer number (71344).

2^2823660 is an apocalyptic number.

2823660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2823660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5136768).

2823660 is an abundant number, since it is smaller than the sum of its proper divisors (7449876).

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

2823660 is a wasteful number, since it uses less digits than its factorization.

2823660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2823660 is about 1680.3749581567. The cubic root of 2823660 is about 141.3418594793.

The spelling of 2823660 in words is "two million, eight hundred twenty-three thousand, six hundred sixty".