428733801 has 12 divisors (see below), whose sum is σ = 630967428. Its totient is φ = 280429344.

The previous prime is 428733797. The next prime is 428733821. The reversal of 428733801 is 108337824.

It can be written as a sum of positive squares in 2 ways, for example, as 366339600 + 62394201 = 19140^2 + 7899^2 .

It is not a de Polignac number, because 428733801 - 2² = 428733797 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428733821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448930 + ... + 449883.

It is an arithmetic number, because the mean of its divisors is an integer number (52580619).

Almost surely, 2^428733801 is an apocalyptic number.

It is an amenable number.

428733801 is a deficient number, since it is larger than the sum of its proper divisors (202233627).

428733801 is a wasteful number, since it uses less digits than its factorization.

428733801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898872 (or 898869 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 428733801 is about 20705.8880756175. Note that the first 3 decimals coincide. The cubic root of 428733801 is about 754.0426448779.

The spelling of 428733801 in words is "four hundred twenty-eight million, seven hundred thirty-three thousand, eight hundred one".