2869668 has 60 divisors (see below), whose sum is σ = 7958412. Its totient is φ = 898560.

The previous prime is 2869663. The next prime is 2869693. The reversal of 2869668 is 8669682.

2869668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 1327104 = 1242^2 + 1152^2 .

It is not an unprimeable number, because it can be changed into a prime (2869663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5248 + ... + 5768.

2^2869668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2869668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979206).

2869668 is an abundant number, since it is smaller than the sum of its proper divisors (5088744).

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

2869668 is a wasteful number, since it uses less digits than its factorization.

2869668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 543 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2869668 is about 1694.0094450740. The cubic root of 2869668 is about 142.1053902533.

It can be divided in two parts, 28 and 69668, that added together give a palindrome (69696).

The spelling of 2869668 in words is "two million, eight hundred sixty-nine thousand, six hundred sixty-eight".