428359591 has 16 divisors (see below), whose sum is σ = 497687328. Its totient is φ = 364364800.

The previous prime is 428359583. The next prime is 428359601. The reversal of 428359591 is 195953824.

It is a cyclic number.

It is not a de Polignac number, because 428359591 - 2³ = 428359583 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 (428359391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25731 + ... + 38971.

It is an arithmetic number, because the mean of its divisors is an integer number (31105458).

Almost surely, 2^428359591 is an apocalyptic number.

428359591 is a deficient number, since it is larger than the sum of its proper divisors (69327737).

428359591 is a wasteful number, since it uses less digits than its factorization.

428359591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442.

The product of its digits is 388800, while the sum is 46.

The square root of 428359591 is about 20696.8497844479. The cubic root of 428359591 is about 753.8231983492.

The spelling of 428359591 in words is "four hundred twenty-eight million, three hundred fifty-nine thousand, five hundred ninety-one".