8398080 has 162 divisors, whose sum is σ = 30172506. Its totient is φ = 2239488.

The previous prime is 8398069. The next prime is 8398097. The reversal of 8398080 is 808938.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 1679616 = 2592^2 + 1296^2 .

It is a tau number, because it is divible by the number of its divisors (162).

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

It is a nialpdrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1679614 + ... + 1679618.

Almost surely, 2^8398080 is an apocalyptic number.

8398080 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 8398080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15086253).

8398080 is an abundant number, since it is smaller than the sum of its proper divisors (21774426).

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

8398080 is an frugal number, since it uses more digits than its factorization.

8398080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8398080 is about 2897.9440988397. The cubic root of 8398080 is about 203.2637822383.

The spelling of 8398080 in words is "eight million, three hundred ninety-eight thousand, eighty".