2645218 has 16 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 1242000.

The previous prime is 2645213. The next prime is 2645219. The reversal of 2645218 is 8125462.

It is not an unprimeable number, because it can be changed into a prime (2645213) 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, 5508 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^2645218 is an apocalyptic number.

2645218 is a deficient number, since it is larger than the sum of its proper divisors (1568222).

2645218 is a wasteful number, since it uses less digits than its factorization.

2645218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 3840, while the sum is 28.

The square root of 2645218 is about 1626.4126167735. The cubic root of 2645218 is about 138.2994617156.

The spelling of 2645218 in words is "two million, six hundred forty-five thousand, two hundred eighteen".