4479624 has 80 divisors (see below), whose sum is σ = 13009920. Its totient is φ = 1438560.

The previous prime is 4479581. The next prime is 4479661. The reversal of 4479624 is 4269744.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁶ + 4⁹ + 7⁵ + 9 + 6³ + 2¹¹ + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19977 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (162624).

Almost surely, 2^4479624 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 4479624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6504960).

4479624 is an abundant number, since it is smaller than the sum of its proper divisors (8530296).

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

4479624 is a wasteful number, since it uses less digits than its factorization.

4479624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 259 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4479624 is about 2116.5122253368. The cubic root of 4479624 is about 164.8467999488.

The spelling of 4479624 in words is "four million, four hundred seventy-nine thousand, six hundred twenty-four".