3144400 has 60 divisors (see below), whose sum is σ = 8641312. Its totient is φ = 1077120.

The previous prime is 3144389. The next prime is 3144403. The reversal of 3144400 is 44413.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144403) 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, 2239 + ... + 3361.

Almost surely, 2^3144400 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 3144400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320656).

3144400 is an abundant number, since it is smaller than the sum of its proper divisors (5496912).

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

3144400 is a wasteful number, since it uses less digits than its factorization.

3144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3144400 is about 1773.2456118654. The cubic root of 3144400 is about 146.5028013769.

Adding to 3144400 its reverse (44413), we get a palindrome (3188813).

The spelling of 3144400 in words is "three million, one hundred forty-four thousand, four hundred".