2321298 has 80 divisors (see below), whose sum is σ = 6272640. Its totient is φ = 627264.

The previous prime is 2321281. The next prime is 2321309. The reversal of 2321298 is 8921232.

It is a happy number.

2321298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 26038 + ... + 26126.

It is an arithmetic number, because the mean of its divisors is an integer number (78408).

2^2321298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3136320).

2321298 is an abundant number, since it is smaller than the sum of its proper divisors (3951342).

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

2321298 is a wasteful number, since it uses less digits than its factorization.

2321298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2321298 is about 1523.5806509667. The cubic root of 2321298 is about 132.4068028621.

It can be divided in two parts, 23 and 21298, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 2321298 in words is "two million, three hundred twenty-one thousand, two hundred ninety-eight".