3242400 has 144 divisors (see below), whose sum is σ = 12124224. Its totient is φ = 737280.

The previous prime is 3242399. The next prime is 3242417. The reversal of 3242400 is 42423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3242400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16704 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (84196).

Almost surely, 2^3242400 is an apocalyptic number.

3242400 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 3242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6062112).

3242400 is an abundant number, since it is smaller than the sum of its proper divisors (8881824).

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

3242400 is a wasteful number, since it uses less digits than its factorization.

3242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 3242400 is about 1800.6665432556. Note that the first 3 decimals coincide. The cubic root of 3242400 is about 148.0092519174.

Adding to 3242400 its reverse (42423), we get a palindrome (3284823).

The spelling of 3242400 in words is "three million, two hundred forty-two thousand, four hundred".