428486146 has 16 divisors (see below), whose sum is σ = 703180800. Its totient is φ = 194204880.

The previous prime is 428486141. The next prime is 428486147. The reversal of 428486146 is 641684824.

It is not an unprimeable number, because it can be changed into a prime (428486141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20226 + ... + 35581.

It is an arithmetic number, because the mean of its divisors is an integer number (43948800).

Almost surely, 2^428486146 is an apocalyptic number.

428486146 is a deficient number, since it is larger than the sum of its proper divisors (274694654).

428486146 is a wasteful number, since it uses less digits than its factorization.

428486146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56169.

The product of its digits is 294912, while the sum is 43.

The square root of 428486146 is about 20699.9069080032. The cubic root of 428486146 is about 753.8974278076.

The spelling of 428486146 in words is "four hundred twenty-eight million, four hundred eighty-six thousand, one hundred forty-six".