8107428 has 24 divisors (see below), whose sum is σ = 21620032. Its totient is φ = 2316384.

The previous prime is 8107423. The next prime is 8107441. The reversal of 8107428 is 8247018.

It is a junction number, because it is equal to n+sod(n) for n = 8107395 and 8107404.

It is not an unprimeable number, because it can be changed into a prime (8107423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48175 + ... + 48342.

Almost surely, 2^8107428 is an apocalyptic number.

It is an amenable number.

8107428 is an abundant number, since it is smaller than the sum of its proper divisors (13512604).

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

8107428 is a wasteful number, since it uses less digits than its factorization.

8107428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96531 (or 96529 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8107428 is about 2847.3545616941. The cubic root of 8107428 is about 200.8912557496.

The spelling of 8107428 in words is "eight million, one hundred seven thousand, four hundred twenty-eight".