428811802 has 8 divisors (see below), whose sum is σ = 645978996. Its totient is φ = 213485472.

The previous prime is 428811749. The next prime is 428811811. The reversal of 428811802 is 208118824.

It can be written as a sum of positive squares in 2 ways, for example, as 426876921 + 1934881 = 20661^2 + 1391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459633 + ... + 460564.

Almost surely, 2^428811802 is an apocalyptic number.

428811802 is a deficient number, since it is larger than the sum of its proper divisors (217167194).

428811802 is a wasteful number, since it uses less digits than its factorization.

428811802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920432.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 428811802 is about 20707.7715363097. The cubic root of 428811802 is about 754.0883706202.

The spelling of 428811802 in words is "four hundred twenty-eight million, eight hundred eleven thousand, eight hundred two".