842480 has 20 divisors (see below), whose sum is σ = 1958952. Its totient is φ = 336960.

The previous prime is 842477. The next prime is 842483. The reversal of 842480 is 84248.

It is an interprime number because it is at equal distance from previous prime (842477) and next prime (842483).

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842480.

It is not an unprimeable number, because it can be changed into a prime (842483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5186 + ... + 5345.

2⁸⁴²⁴⁸⁰ is an apocalyptic number.

842480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

842480 is an abundant number, since it is smaller than the sum of its proper divisors (1116472).

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

842480 is a wasteful number, since it uses less digits than its factorization.

842480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544 (or 10538 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 842480 is about 917.8670927754. The cubic root of 842480 is about 94.4466445726.

The spelling of 842480 in words is "eight hundred forty-two thousand, four hundred eighty".