2660455 has 12 divisors (see below), whose sum is σ = 3714120. Its totient is φ = 1824144.

The previous prime is 2660447. The next prime is 2660461. The reversal of 2660455 is 5540662.

It is not a de Polignac number, because 2660455 - 2³ = 2660447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5185 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (309510).

2^2660455 is an apocalyptic number.

2660455 is a deficient number, since it is larger than the sum of its proper divisors (1053665).

2660455 is a wasteful number, since it uses less digits than its factorization.

2660455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2660455 is about 1631.0901262653. The cubic root of 2660455 is about 138.5644979301.

The spelling of 2660455 in words is "two million, six hundred sixty thousand, four hundred fifty-five".