3231400 has 48 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1272000.

The previous prime is 3231379. The next prime is 3231401. The reversal of 3231400 is 41323.

It is not an unprimeable number, because it can be changed into a prime (3231401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21325 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

Almost surely, 2^3231400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816720).

3231400 is an abundant number, since it is smaller than the sum of its proper divisors (4402040).

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

3231400 is a wasteful number, since it uses less digits than its factorization.

3231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3231400 is about 1797.6095237843. The cubic root of 3231400 is about 147.8416860827.

Adding to 3231400 its reverse (41323), we get a palindrome (3272723).

The spelling of 3231400 in words is "three million, two hundred thirty-one thousand, four hundred".