8086428 has 36 divisors (see below), whose sum is σ = 23361520. Its totient is φ = 2310336.

The previous prime is 8086417. The next prime is 8086453. The reversal of 8086428 is 8246808.

8086428 is a `hidden beast` number, since 8 + 0 + 8 + 642 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8086392 and 8086401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15793 + ... + 16296.

Almost surely, 2^8086428 is an apocalyptic number.

It is an amenable number.

8086428 is an abundant number, since it is smaller than the sum of its proper divisors (15275092).

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

8086428 is a wasteful number, since it uses less digits than its factorization.

8086428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32106 (or 32101 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8086428 is about 2843.6645371773. The cubic root of 8086428 is about 200.7176551089.

The spelling of 8086428 in words is "eight million, eighty-six thousand, four hundred twenty-eight".