2300000 has 72 divisors (see below), whose sum is σ = 5905872. Its totient is φ = 880000.

The previous prime is 2299963. The next prime is 2300003. The reversal of 2300000 is 32.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99989 + ... + 100011.

It is an arithmetic number, because the mean of its divisors is an integer number (82026).

2^2300000 is an apocalyptic number.

2300000 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 2300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952936).

2300000 is an abundant number, since it is smaller than the sum of its proper divisors (3605872).

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

2300000 is an frugal number, since it uses more digits than its factorization.

2300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

The square root of 2300000 is about 1516.5750888103. The cubic root of 2300000 is about 132.0006121796. Note that the first 3 decimals are identical.

Adding to 2300000 its reverse (32), we get a palindrome (2300032).

Subtracting from 2300000 its reverse (32), we obtain a cube (2299968 = 132³).

The spelling of 2300000 in words is "two million, three hundred thousand".