2687322 has 32 divisors (see below), whose sum is σ = 6174720. Its totient is φ = 771120.

The previous prime is 2687281. The next prime is 2687323. The reversal of 2687322 is 2237862.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 6⁸ + 8³ + 7⁷ + 3⁹ + 2¹⁵ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2687322.

It is not an unprimeable number, because it can be changed into a prime (2687323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (192960).

2^2687322 is an apocalyptic number.

2687322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2687322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3087360).

2687322 is an abundant number, since it is smaller than the sum of its proper divisors (3487398).

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

2687322 is a wasteful number, since it uses less digits than its factorization.

2687322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178.

The product of its digits is 8064, while the sum is 30.

The square root of 2687322 is about 1639.3053406855. The cubic root of 2687322 is about 139.0293746038.

The spelling of 2687322 in words is "two million, six hundred eighty-seven thousand, three hundred twenty-two".