8257360 has 20 divisors (see below), whose sum is σ = 19198548. Its totient is φ = 3302912.

The previous prime is 8257357. The next prime is 8257363. The reversal of 8257360 is 637528.

8257360 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8257357) and next prime (8257363).

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 7011904 = 1116^2 + 2648^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51529 + ... + 51688.

Almost surely, 2^8257360 is an apocalyptic number.

8257360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8257360 is an abundant number, since it is smaller than the sum of its proper divisors (10941188).

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

8257360 is a wasteful number, since it uses less digits than its factorization.

8257360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103230 (or 103224 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 8257360 is about 2873.5622491952. The cubic root of 8257360 is about 202.1220711038.

The spelling of 8257360 in words is "eight million, two hundred fifty-seven thousand, three hundred sixty".