4389480 has 96 divisors (see below), whose sum is σ = 14531400. Its totient is φ = 1148928.

The previous prime is 4389479. The next prime is 4389491. The reversal of 4389480 is 849834.

It can be written as a sum of positive squares in 4 ways, for example, as 3048516 + 1340964 = 1746^2 + 1158^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31972 + ... + 32108.

Almost surely, 2^4389480 is an apocalyptic number.

4389480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4389480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7265700).

4389480 is an abundant number, since it is smaller than the sum of its proper divisors (10141920).

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

4389480 is a wasteful number, since it uses less digits than its factorization.

4389480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4389480 is about 2095.1085890712. The cubic root of 4389480 is about 163.7335550566.

The spelling of 4389480 in words is "four million, three hundred eighty-nine thousand, four hundred eighty".