428518967 has 8 divisors (see below), whose sum is σ = 431069760. Its totient is φ = 425975040.

The previous prime is 428518963. The next prime is 428518969. The reversal of 428518967 is 769815824.

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 428518967 - 2² = 428518963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428518963) 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, 172043 + ... + 174515.

It is an arithmetic number, because the mean of its divisors is an integer number (53883720).

Almost surely, 2^428518967 is an apocalyptic number.

428518967 is a deficient number, since it is larger than the sum of its proper divisors (2550793).

428518967 is a wasteful number, since it uses less digits than its factorization.

428518967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its digits is 967680, while the sum is 50.

The square root of 428518967 is about 20700.6996741656. The cubic root of 428518967 is about 753.9166762213.

The spelling of 428518967 in words is "four hundred twenty-eight million, five hundred eighteen thousand, nine hundred sixty-seven".