481840 has 40 divisors (see below), whose sum is σ = 1182960. Its totient is φ = 182016.

The previous prime is 481837. The next prime is 481843. The reversal of 481840 is 48184.

It is an interprime number because it is at equal distance from previous prime (481837) and next prime (481843).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (481843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (29574).

2⁴⁸¹⁸⁴⁰ is an apocalyptic number.

481840 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 481840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591480).

481840 is an abundant number, since it is smaller than the sum of its proper divisors (701120).

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

481840 is a wasteful number, since it uses less digits than its factorization.

481840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 481840 is about 694.1469585037. The cubic root of 481840 is about 78.3972718751.

The spelling of 481840 in words is "four hundred eighty-one thousand, eight hundred forty".