2321000 has 64 divisors (see below), whose sum is σ = 5952960. Its totient is φ = 840000.

The previous prime is 2320991. The next prime is 2321003. The reversal of 2321000 is 1232.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (2321003) 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, 10895 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (93015).

2^2321000 is an apocalyptic number.

2321000 is a gapful number since it is divisible by the number (20) 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 2321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976480).

2321000 is an abundant number, since it is smaller than the sum of its proper divisors (3631960).

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

2321000 is a wasteful number, since it uses less digits than its factorization.

2321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2321000 is about 1523.4828518891. The cubic root of 2321000 is about 132.4011366478.

Adding to 2321000 its reverse (1232), we get a palindrome (2322232).

The spelling of 2321000 in words is "two million, three hundred twenty-one thousand".