8257632 has 24 divisors (see below), whose sum is σ = 21676536. Its totient is φ = 2752512.

The previous prime is 8257607. The next prime is 8257637. The reversal of 8257632 is 2367528.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8257593 and 8257602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257637) 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, 42913 + ... + 43104.

It is an arithmetic number, because the mean of its divisors is an integer number (903189).

Almost surely, 2^8257632 is an apocalyptic number.

It is an amenable number.

8257632 is an abundant number, since it is smaller than the sum of its proper divisors (13418904).

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

8257632 is a wasteful number, since it uses less digits than its factorization.

8257632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86030 (or 86022 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 8257632 is about 2873.6095768215. The cubic root of 8257632 is about 202.1242904007.

The spelling of 8257632 in words is "eight million, two hundred fifty-seven thousand, six hundred thirty-two".