8245128 has 16 divisors (see below), whose sum is σ = 20612880. Its totient is φ = 2748368.

The previous prime is 8245123. The next prime is 8245129. The reversal of 8245128 is 8215428.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8³ + 2 + 4¹¹ + 5⁹ + 1 + 2⁵ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 8245095 and 8245104.

It is not an unprimeable number, because it can be changed into a prime (8245123) 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, 171750 + ... + 171797.

It is an arithmetic number, because the mean of its divisors is an integer number (1288305).

Almost surely, 2^8245128 is an apocalyptic number.

It is an amenable number.

8245128 is an abundant number, since it is smaller than the sum of its proper divisors (12367752).

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

8245128 is a wasteful number, since it uses less digits than its factorization.

8245128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343556 (or 343552 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 8245128 is about 2871.4330916809. The cubic root of 8245128 is about 202.0222176000.

The spelling of 8245128 in words is "eight million, two hundred forty-five thousand, one hundred twenty-eight".