2646045 has 24 divisors (see below), whose sum is σ = 4632576. Its totient is φ = 1397088.

The previous prime is 2646041. The next prime is 2646071. The reversal of 2646045 is 5406462.

It is a happy number.

It is not a de Polignac number, because 2646045 - 2² = 2646041 is a prime.

It is an Ulam number.

2646045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5484 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (193024).

2^2646045 is an apocalyptic number.

It is an amenable number.

2646045 is a deficient number, since it is larger than the sum of its proper divisors (1986531).

2646045 is a wasteful number, since it uses less digits than its factorization.

2646045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2646045 is about 1626.6668374317. Note that the first 3 decimals coincide. The cubic root of 2646045 is about 138.3138728451.

The spelling of 2646045 in words is "two million, six hundred forty-six thousand, forty-five".