2845668 has 48 divisors (see below), whose sum is σ = 7992320. Its totient is φ = 769824.

The previous prime is 2845657. The next prime is 2845673. The reversal of 2845668 is 8665482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 2487.

2^2845668 is an apocalyptic number.

2845668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2845668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3996160).

2845668 is an abundant number, since it is smaller than the sum of its proper divisors (5146652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2845668 is a wasteful number, since it uses less digits than its factorization.

2845668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1814 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 2845668 is about 1686.9107860228. The cubic root of 2845668 is about 141.7081222776.

The spelling of 2845668 in words is "two million, eight hundred forty-five thousand, six hundred sixty-eight".