8280396 has 36 divisors (see below), whose sum is σ = 21249592. Its totient is φ = 2718144.

The previous prime is 8280373. The next prime is 8280397. The reversal of 8280396 is 6930828.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8280396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696 + ... + 4128.

Almost surely, 2^8280396 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 8280396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10624796).

8280396 is an abundant number, since it is smaller than the sum of its proper divisors (12969196).

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

8280396 is a wasteful number, since it uses less digits than its factorization.

8280396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8280396 is about 2877.5677229216. The cubic root of 8280396 is about 202.3098535166.

The spelling of 8280396 in words is "eight million, two hundred eighty thousand, three hundred ninety-six".