428233806 has 96 divisors (see below), whose sum is σ = 1245823488. Its totient is φ = 102669120.

The previous prime is 428233789. The next prime is 428233811. The reversal of 428233806 is 608332824.

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 47 ways as a sum of consecutive naturals, for example, 6135 + ... + 29901.

It is an arithmetic number, because the mean of its divisors is an integer number (12977328).

Almost surely, 2^428233806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428233806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622911744).

428233806 is an abundant number, since it is smaller than the sum of its proper divisors (817589682).

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

428233806 is a wasteful number, since it uses less digits than its factorization.

428233806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23806 (or 23803 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 428233806 is about 20693.8108138641. The cubic root of 428233806 is about 753.7494060373.

The spelling of 428233806 in words is "four hundred twenty-eight million, two hundred thirty-three thousand, eight hundred six".