2660260 has 12 divisors (see below), whose sum is σ = 5586588. Its totient is φ = 1064096.

The previous prime is 2660237. The next prime is 2660291. The reversal of 2660260 is 620662.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 1498176 = 1078^2 + 1224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66487 + ... + 66526.

It is an arithmetic number, because the mean of its divisors is an integer number (465549).

2^2660260 is an apocalyptic number.

2660260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660260 is an abundant number, since it is smaller than the sum of its proper divisors (2926328).

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

2660260 is a wasteful number, since it uses less digits than its factorization.

2660260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133022 (or 133020 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2660260 is about 1631.0303491965. The cubic root of 2660260 is about 138.5611124519.

It can be divided in two parts, 26602 and 60, that added together give a palindrome (26662).

The spelling of 2660260 in words is "two million, six hundred sixty thousand, two hundred sixty".