424143216 has 150 divisors (see below), whose sum is σ = 1428230760. Its totient is φ = 121165632.

The previous prime is 424143211. The next prime is 424143257. The reversal of 424143216 is 612341424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 424143216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424143211) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60165 + ... + 66843.

Almost surely, 2^424143216 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 424143216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714115380).

424143216 is an abundant number, since it is smaller than the sum of its proper divisors (1004087544).

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

424143216 is a wasteful number, since it uses less digits than its factorization.

424143216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6691 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 424143216 is about 20594.7375802655. The cubic root of 424143216 is about 751.3417262628.

The spelling of 424143216 in words is "four hundred twenty-four million, one hundred forty-three thousand, two hundred sixteen".