439488 has 84 divisors (see below), whose sum is σ = 1452880. Its totient is φ = 124416.

The previous prime is 439471. The next prime is 439493. The reversal of 439488 is 884934.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

439488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3978 + ... + 4086.

2⁴³⁹⁴⁸⁸ is an apocalyptic number.

439488 is a gapful number since it is divisible by the number (48) 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 439488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726440).

439488 is an abundant number, since it is smaller than the sum of its proper divisors (1013392).

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

439488 is a wasteful number, since it uses less digits than its factorization.

439488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

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

The square root of 439488 is about 662.9389112128. The cubic root of 439488 is about 76.0295360729.

It can be divided in two parts, 43948 and 8, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 439488 in words is "four hundred thirty-nine thousand, four hundred eighty-eight".