9744420 has 48 divisors (see below), whose sum is σ = 31183488. Its totient is φ = 2227200.

The previous prime is 9744419. The next prime is 9744437. The reversal of 9744420 is 244479.

It is a super-2 number, since 2×9744420² = 189907442272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11181 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (649656).

Almost surely, 2^9744420 is an apocalyptic number.

It is an amenable number.

9744420 is an abundant number, since it is smaller than the sum of its proper divisors (21439068).

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

9744420 is a wasteful number, since it uses less digits than its factorization.

9744420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220 (or 23218 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 9744420 is about 3121.6053562230. The cubic root of 9744420 is about 213.5921717172.

Adding to 9744420 its reverse (244479), we get a palindrome (9988899).

The spelling of 9744420 in words is "nine million, seven hundred forty-four thousand, four hundred twenty".