4479912 has 48 divisors (see below), whose sum is σ = 12423840. Its totient is φ = 1457568.

The previous prime is 4479911. The next prime is 4479919. The reversal of 4479912 is 2199744.

It is a super-2 number, since 2×4479912² = 40139223055488, which contains 22 as substring.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4479911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2373 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (258830).

Almost surely, 2^4479912 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 4479912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6211920).

4479912 is an abundant number, since it is smaller than the sum of its proper divisors (7943928).

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

4479912 is a wasteful number, since it uses less digits than its factorization.

4479912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1495 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4479912 is about 2116.5802607036. The cubic root of 4479912 is about 164.8503326010.

The spelling of 4479912 in words is "four million, four hundred seventy-nine thousand, nine hundred twelve".