8480820 has 48 divisors (see below), whose sum is σ = 23986368. Its totient is φ = 2238720.

The previous prime is 8480819. The next prime is 8480827. The reversal of 8480820 is 280848.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8480827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (499716).

Almost surely, 2^8480820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8480820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11993184).

8480820 is an abundant number, since it is smaller than the sum of its proper divisors (15505548).

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

8480820 is a wasteful number, since it uses less digits than its factorization.

8480820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 8480820 is about 2912.1847468868. The cubic root of 8480820 is about 203.9291372483.

The spelling of 8480820 in words is "eight million, four hundred eighty thousand, eight hundred twenty".