2660460 has 96 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 618240.

The previous prime is 2660447. The next prime is 2660461. The reversal of 2660460 is 640662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660460.

It is not an unprimeable number, because it can be changed into a prime (2660461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19071 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2^2660460 is an apocalyptic number.

2660460 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 2660460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

2660460 is an abundant number, since it is smaller than the sum of its proper divisors (5806740).

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

2660460 is a wasteful number, since it uses less digits than its factorization.

2660460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2660460 is about 1631.0916589818. The cubic root of 2660460 is about 138.5645847351.

The spelling of 2660460 in words is "two million, six hundred sixty thousand, four hundred sixty".