428046211 has 4 divisors (see below), whose sum is σ = 435063424. Its totient is φ = 421029000.

The previous prime is 428046187. The next prime is 428046251. The reversal of 428046211 is 112640824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428046211 - 2⁷ = 428046083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428046211.

It is not an unprimeable number, because it can be changed into a prime (428046251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508515 + ... + 3508636.

It is an arithmetic number, because the mean of its divisors is an integer number (108765856).

Almost surely, 2^428046211 is an apocalyptic number.

428046211 is a deficient number, since it is larger than the sum of its proper divisors (7017213).

428046211 is an equidigital number, since it uses as much as digits as its factorization.

428046211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017212.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 428046211 is about 20689.2776819298. The cubic root of 428046211 is about 753.6393257725.

The spelling of 428046211 in words is "four hundred twenty-eight million, forty-six thousand, two hundred eleven".