428710211 has 4 divisors (see below), whose sum is σ = 428769432. Its totient is φ = 428650992.

The previous prime is 428710201. The next prime is 428710229. The reversal of 428710211 is 112017824.

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 428710211 - 2⁶ = 428710147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428710201) 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, 16946 + ... + 33831.

It is an arithmetic number, because the mean of its divisors is an integer number (107192358).

Almost surely, 2^428710211 is an apocalyptic number.

428710211 is a deficient number, since it is larger than the sum of its proper divisors (59221).

428710211 is an equidigital number, since it uses as much as digits as its factorization.

428710211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59220.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 428710211 is about 20705.3184230526. The cubic root of 428710211 is about 754.0288148571.

The spelling of 428710211 in words is "four hundred twenty-eight million, seven hundred ten thousand, two hundred eleven".