2645955 has 24 divisors (see below), whose sum is σ = 4940208. Its totient is φ = 1302336.

The previous prime is 2645941. The next prime is 2645971. The reversal of 2645955 is 5595462.

2645955 is a `hidden beast` number, since 2 + 64 + 595 + 5 = 666.

It is not a de Polignac number, because 2645955 - 2⁶ = 2645891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1677 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (205842).

2^2645955 is an apocalyptic number.

2645955 is a deficient number, since it is larger than the sum of its proper divisors (2294253).

2645955 is a wasteful number, since it uses less digits than its factorization.

2645955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4544 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2645955 is about 1626.6391732649. The cubic root of 2645955 is about 138.3123046695.

It can be divided in two parts, 2645 and 955, that added together give a square (3600 = 60²).

The spelling of 2645955 in words is "two million, six hundred forty-five thousand, nine hundred fifty-five".