1384480 has 48 divisors (see below), whose sum is σ = 3470040. Its totient is φ = 520192.

The previous prime is 1384477. The next prime is 1384499. The reversal of 1384480 is 844831.

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 29584 = 1164^2 + 172^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 2974.

2^1384480 is an apocalyptic number.

1384480 is a gapful number since it is divisible by the number (10) 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 1384480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735020).

1384480 is an abundant number, since it is smaller than the sum of its proper divisors (2085560).

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

1384480 is a wasteful number, since it uses less digits than its factorization.

1384480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1384480 is about 1176.6392820232. The cubic root of 1384480 is about 111.4539749851.

It can be divided in two parts, 13844 and 80, that added together give a square (13924 = 118²).

The spelling of 1384480 in words is "one million, three hundred eighty-four thousand, four hundred eighty".