428586331 has 8 divisors (see below), whose sum is σ = 443646000. Its totient is φ = 413545440.

The previous prime is 428586313. The next prime is 428586343. The reversal of 428586331 is 133685824.

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 428586331 - 2¹⁷ = 428455259 is a prime.

It is a super-2 number, since 2×428586331² = 367372486240083122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428586731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54645 + ... + 61993.

It is an arithmetic number, because the mean of its divisors is an integer number (55455750).

Almost surely, 2^428586331 is an apocalyptic number.

428586331 is a deficient number, since it is larger than the sum of its proper divisors (15059669).

428586331 is a wasteful number, since it uses less digits than its factorization.

428586331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389.

The product of its digits is 138240, while the sum is 40.

The square root of 428586331 is about 20702.3267049866. The cubic root of 428586331 is about 753.9561798651.

The spelling of 428586331 in words is "four hundred twenty-eight million, five hundred eighty-six thousand, three hundred thirty-one".