428012682 has 16 divisors (see below), whose sum is σ = 885543840. Its totient is φ = 137751152.

The previous prime is 428012647. The next prime is 428012701. The reversal of 428012682 is 286210824.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229748 + ... + 1230095.

It is an arithmetic number, because the mean of its divisors is an integer number (55346490).

Almost surely, 2^428012682 is an apocalyptic number.

428012682 is an abundant number, since it is smaller than the sum of its proper divisors (457531158).

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

428012682 is a wasteful number, since it uses less digits than its factorization.

428012682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459877.

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

The square root of 428012682 is about 20688.4673671106. The cubic root of 428012682 is about 753.6196476536.

The spelling of 428012682 in words is "four hundred twenty-eight million, twelve thousand, six hundred eighty-two".