8465280 has 64 divisors (see below), whose sum is σ = 26989200. Its totient is φ = 2256896.

The previous prime is 8465273. The next prime is 8465297. The reversal of 8465280 is 825648.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 4124.

Almost surely, 2^8465280 is an apocalyptic number.

8465280 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 8465280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13494600).

8465280 is an abundant number, since it is smaller than the sum of its proper divisors (18523920).

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

8465280 is a wasteful number, since it uses less digits than its factorization.

8465280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8465280 is about 2909.5154235714. The cubic root of 8465280 is about 203.8045032155.

The spelling of 8465280 in words is "eight million, four hundred sixty-five thousand, two hundred eighty".