428659032 has 64 divisors (see below), whose sum is σ = 1092787200. Its totient is φ = 140088960.

The previous prime is 428659031. The next prime is 428659051. The reversal of 428659032 is 230956824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428659031) by changing a digit.

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, 432057 + ... + 433047.

It is an arithmetic number, because the mean of its divisors is an integer number (17074800).

Almost surely, 2^428659032 is an apocalyptic number.

It is an amenable number.

428659032 is an abundant number, since it is smaller than the sum of its proper divisors (664128168).

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

428659032 is a wasteful number, since it uses less digits than its factorization.

428659032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 428659032 is about 20704.0824959717. The cubic root of 428659032 is about 753.9988085922.

The spelling of 428659032 in words is "four hundred twenty-eight million, six hundred fifty-nine thousand, thirty-two".