428867343 has 12 divisors (see below), whose sum is σ = 620249448. Its totient is φ = 285554160.

The previous prime is 428867321. The next prime is 428867359. The reversal of 428867343 is 343768824.

It is not a de Polignac number, because 428867343 - 2²⁶ = 361758479 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428866343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22080 + ... + 36677.

It is an arithmetic number, because the mean of its divisors is an integer number (51687454).

Almost surely, 2^428867343 is an apocalyptic number.

428867343 is a deficient number, since it is larger than the sum of its proper divisors (191382105).

428867343 is a wasteful number, since it uses less digits than its factorization.

428867343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59574 (or 59571 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 428867343 is about 20709.1125594507. The cubic root of 428867343 is about 754.1209264826.

It can be divided in two parts, 4288 and 67343, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 428867343 in words is "four hundred twenty-eight million, eight hundred sixty-seven thousand, three hundred forty-three".