3243000 has 128 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 809600.

The previous prime is 3242999. The next prime is 3243007. The reversal of 3243000 is 3423.

3243000 = T₁₉ + T₂₀ + ... + T₂₆₈.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68977 + ... + 69023.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

Almost surely, 2^3243000 is an apocalyptic number.

3243000 is a gapful number since it is divisible by the number (30) 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 3243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

3243000 is an abundant number, since it is smaller than the sum of its proper divisors (7539720).

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

3243000 is a wasteful number, since it uses less digits than its factorization.

3243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3243000 is about 1800.8331405214. The cubic root of 3243000 is about 148.0183809652.

Adding to 3243000 its reverse (3423), we get a palindrome (3246423).

It can be divided in two parts, 3 and 243000, that multiplied together give a cube (729000 = 90³).

The spelling of 3243000 in words is "three million, two hundred forty-three thousand".