3021444 has 36 divisors (see below), whose sum is σ = 8088444. Its totient is φ = 947712.

The previous prime is 3021439. The next prime is 3021463. The reversal of 3021444 is 4441203.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 1166400 = 1362^2 + 1080^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (224679).

Almost surely, 2^3021444 is an apocalyptic number.

3021444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3021444 is an abundant number, since it is smaller than the sum of its proper divisors (5067000).

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

3021444 is a wasteful number, since it uses less digits than its factorization.

3021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3021444 is about 1738.2301343608. The cubic root of 3021444 is about 144.5677814848.

Adding to 3021444 its reverse (4441203), we get a palindrome (7462647).

The spelling of 3021444 in words is "three million, twenty-one thousand, four hundred forty-four".