428398982 has 32 divisors (see below), whose sum is σ = 725760000. Its totient is φ = 187891200.

The previous prime is 428398969. The next prime is 428399009. The reversal of 428398982 is 289893824.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 305519 + ... + 306917.

It is an arithmetic number, because the mean of its divisors is an integer number (22680000).

Almost surely, 2^428398982 is an apocalyptic number.

428398982 is a deficient number, since it is larger than the sum of its proper divisors (297361018).

428398982 is a wasteful number, since it uses less digits than its factorization.

428398982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its digits is 1990656, while the sum is 53.

The square root of 428398982 is about 20697.8013808230. The cubic root of 428398982 is about 753.8463042786.

The spelling of 428398982 in words is "four hundred twenty-eight million, three hundred ninety-eight thousand, nine hundred eighty-two".