428983164 has 72 divisors (see below), whose sum is σ = 1114953840. Its totient is φ = 138988800.

The previous prime is 428983157. The next prime is 428983169. The reversal of 428983164 is 461389824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428983169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750999 + ... + 751569.

It is an arithmetic number, because the mean of its divisors is an integer number (15485470).

Almost surely, 2^428983164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428983164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557476920).

428983164 is an abundant number, since it is smaller than the sum of its proper divisors (685970676).

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

428983164 is a wasteful number, since it uses less digits than its factorization.

428983164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1126 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 428983164 is about 20711.9087483505. The cubic root of 428983164 is about 754.1888069743.

The spelling of 428983164 in words is "four hundred twenty-eight million, nine hundred eighty-three thousand, one hundred sixty-four".