3021424 has 40 divisors (see below), whose sum is σ = 6829920. Its totient is φ = 1267968.

The previous prime is 3021419. The next prime is 3021439. The reversal of 3021424 is 4241203.

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

It is a junction number, because it is equal to n+sod(n) for n = 3021398 and 3021407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5682 + ... + 6190.

It is an arithmetic number, because the mean of its divisors is an integer number (170748).

Almost surely, 2^3021424 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 3021424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414960).

3021424 is an abundant number, since it is smaller than the sum of its proper divisors (3808496).

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

3021424 is a wasteful number, since it uses less digits than its factorization.

3021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

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

The square root of 3021424 is about 1738.2243813731. The cubic root of 3021424 is about 144.5674625025.

Adding to 3021424 its reverse (4241203), we get a palindrome (7262627).

The spelling of 3021424 in words is "three million, twenty-one thousand, four hundred twenty-four".