2660380 has 24 divisors (see below), whose sum is σ = 5881680. Its totient is φ = 1008000.

The previous prime is 2660377. The next prime is 2660401. The reversal of 2660380 is 830662.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 3121 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (245070).

2^2660380 is an apocalyptic number.

2660380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660380 is an abundant number, since it is smaller than the sum of its proper divisors (3221300).

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

2660380 is a wasteful number, since it uses less digits than its factorization.

2660380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2660380 is about 1631.0671353442. The cubic root of 2660380 is about 138.5631958427.

It can be divided in two parts, 26 and 60380, that added together give a palindrome (60406).

The spelling of 2660380 in words is "two million, six hundred sixty thousand, three hundred eighty".