3304440 has 96 divisors (see below), whose sum is σ = 10979280. Its totient is φ = 861696.

The previous prime is 3304403. The next prime is 3304451. The reversal of 3304440 is 444033.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24052 + ... + 24188.

Almost surely, 2^3304440 is an apocalyptic number.

3304440 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 3304440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5489640).

3304440 is an abundant number, since it is smaller than the sum of its proper divisors (7674840).

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

3304440 is a wasteful number, since it uses less digits than its factorization.

3304440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 214 counting only the distinct ones).

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

The square root of 3304440 is about 1817.8118714542. The cubic root of 3304440 is about 148.9472960454.

Adding to 3304440 its reverse (444033), we get a palindrome (3748473).

The spelling of 3304440 in words is "three million, three hundred four thousand, four hundred forty".