3044340 has 72 divisors (see below), whose sum is σ = 9952488. Its totient is φ = 748800.

The previous prime is 3044299. The next prime is 3044347. The reversal of 3044340 is 434403.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 2862864 = 426^2 + 1692^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3044347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1690 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (138229).

Almost surely, 2^3044340 is an apocalyptic number.

3044340 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 3044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976244).

3044340 is an abundant number, since it is smaller than the sum of its proper divisors (6908148).

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

3044340 is a wasteful number, since it uses less digits than its factorization.

3044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3044340 is about 1744.8037138888. The cubic root of 3044340 is about 144.9320331484.

Adding to 3044340 its reverse (434403), we get a palindrome (3478743).

The spelling of 3044340 in words is "three million, forty-four thousand, three hundred forty".