2042660 has 24 divisors (see below), whose sum is σ = 4333560. Its totient is φ = 808704.

The previous prime is 2042657. The next prime is 2042681. The reversal of 2042660 is 662402.

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 1999396 = 208^2 + 1414^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (180565).

2^2042660 is an apocalyptic number.

2042660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042660 is an abundant number, since it is smaller than the sum of its proper divisors (2290900).

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

2042660 is a wasteful number, since it uses less digits than its factorization.

2042660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2042660 is about 1429.2165686137. The cubic root of 2042660 is about 126.8816141083.

The spelling of 2042660 in words is "two million, forty-two thousand, six hundred sixty".