8428635 has 12 divisors (see below), whose sum is σ = 14609712. Its totient is φ = 4495248.

The previous prime is 8428633. The next prime is 8428661. The reversal of 8428635 is 5368248.

It is not a de Polignac number, because 8428635 - 2¹ = 8428633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8428635.

It is not an unprimeable number, because it can be changed into a prime (8428631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93607 + ... + 93696.

It is an arithmetic number, because the mean of its divisors is an integer number (1217476).

Almost surely, 2^8428635 is an apocalyptic number.

8428635 is a deficient number, since it is larger than the sum of its proper divisors (6181077).

8428635 is a wasteful number, since it uses less digits than its factorization.

8428635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187314 (or 187311 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 8428635 is about 2903.2111531888. The cubic root of 8428635 is about 203.5099975569.

The spelling of 8428635 in words is "eight million, four hundred twenty-eight thousand, six hundred thirty-five".