2655645 has 8 divisors (see below), whose sum is σ = 4249056. Its totient is φ = 1416336.

The previous prime is 2655643. The next prime is 2655661. The reversal of 2655645 is 5465562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2655645 - 2¹ = 2655643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88507 + ... + 88536.

It is an arithmetic number, because the mean of its divisors is an integer number (531132).

2^2655645 is an apocalyptic number.

It is an amenable number.

2655645 is a deficient number, since it is larger than the sum of its proper divisors (1593411).

2655645 is a wasteful number, since it uses less digits than its factorization.

2655645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177051.

The product of its digits is 36000, while the sum is 33.

The square root of 2655645 is about 1629.6149852036. The cubic root of 2655645 is about 138.4809411319.

The spelling of 2655645 in words is "two million, six hundred fifty-five thousand, six hundred forty-five".