4279424 has 32 divisors (see below), whose sum is σ = 8670000. Its totient is φ = 2103552.

The previous prime is 4279421. The next prime is 4279433. The reversal of 4279424 is 4249724.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 4⁵ + 2²¹ + 7⁵ + 9³ + 4⁵ + 2²¹ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (4279421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327 + ... + 8825.

Almost surely, 2^4279424 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 4279424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4335000).

4279424 is an abundant number, since it is smaller than the sum of its proper divisors (4390576).

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

4279424 is an equidigital number, since it uses as much as digits as its factorization.

4279424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 568 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 4279424 is about 2068.6768718193. The cubic root of 4279424 is about 162.3535437828.

The spelling of 4279424 in words is "four million, two hundred seventy-nine thousand, four hundred twenty-four".