428843371 has 8 divisors (see below), whose sum is σ = 467987184. Its totient is φ = 389725920.

The previous prime is 428843347. The next prime is 428843407. The reversal of 428843371 is 173348824.

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

It is a cyclic number.

It is not a de Polignac number, because 428843371 - 2¹³ = 428835179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428843341) 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, 45085 + ... + 53761.

It is an arithmetic number, because the mean of its divisors is an integer number (58498398).

Almost surely, 2^428843371 is an apocalyptic number.

428843371 is a deficient number, since it is larger than the sum of its proper divisors (39143813).

428843371 is a wasteful number, since it uses less digits than its factorization.

428843371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13181.

The product of its digits is 129024, while the sum is 40.

The square root of 428843371 is about 20708.5337723365. The cubic root of 428843371 is about 754.1068754215.

The spelling of 428843371 in words is "four hundred twenty-eight million, eight hundred forty-three thousand, three hundred seventy-one".