4242444 has 24 divisors (see below), whose sum is σ = 9937200. Its totient is φ = 1408704.

The previous prime is 4242437. The next prime is 4242449. The reversal of 4242444 is 4442424.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4242449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (414050).

Almost surely, 2^4242444 is an apocalyptic number.

It is an amenable number.

4242444 is an abundant number, since it is smaller than the sum of its proper divisors (5694756).

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

4242444 is a wasteful number, since it uses less digits than its factorization.

4242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 4242444 is about 2059.7193983647. The cubic root of 4242444 is about 161.8845389747.

Adding to 4242444 its reverse (4442424), we get a palindrome (8684868).

It can be divided in two parts, 42 and 42444, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 4242444 in words is "four million, two hundred forty-two thousand, four hundred forty-four".