428811801 has 8 divisors (see below), whose sum is σ = 623726304. Its totient is φ = 259885920.

The previous prime is 428811749. The next prime is 428811811. The reversal of 428811801 is 108118824.

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

It is not a de Polignac number, because 428811801 - 2²¹ = 426714649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 12994297 = 428811801 / (4 + 2 + 8 + 8 + 1 + 1 + 8 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (428811811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6497116 + ... + 6497181.

It is an arithmetic number, because the mean of its divisors is an integer number (77965788).

Almost surely, 2^428811801 is an apocalyptic number.

It is an amenable number.

428811801 is a deficient number, since it is larger than the sum of its proper divisors (194914503).

428811801 is a wasteful number, since it uses less digits than its factorization.

428811801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12994311.

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 428811801 is about 20707.7715121642. The cubic root of 428811801 is about 754.0883700340.

The spelling of 428811801 in words is "four hundred twenty-eight million, eight hundred eleven thousand, eight hundred one".