818480 has 40 divisors (see below), whose sum is σ = 2051952. Its totient is φ = 301824.

The previous prime is 818473. The next prime is 818509. The reversal of 818480 is 84818.

818480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647 + ... + 1433.

2⁸¹⁸⁴⁸⁰ is an apocalyptic number.

818480 is a gapful number since it is divisible by the number (80) 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 818480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025976).

818480 is an abundant number, since it is smaller than the sum of its proper divisors (1233472).

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

818480 is a wasteful number, since it uses less digits than its factorization.

818480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 818480 is about 904.6988449202. The cubic root of 818480 is about 93.5411469215.

The spelling of 818480 in words is "eight hundred eighteen thousand, four hundred eighty".