8428146 has 16 divisors (see below), whose sum is σ = 16892064. Its totient is φ = 2803424.

The previous prime is 8428139. The next prime is 8428157. The reversal of 8428146 is 6418248.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (1055754).

Almost surely, 2^8428146 is an apocalyptic number.

8428146 is an abundant number, since it is smaller than the sum of its proper divisors (8463918).

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

8428146 is a wasteful number, since it uses less digits than its factorization.

8428146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its digits is 12288, while the sum is 33.

The square root of 8428146 is about 2903.1269348756. The cubic root of 8428146 is about 203.5060618341.

The spelling of 8428146 in words is "eight million, four hundred twenty-eight thousand, one hundred forty-six".