428652593 has 8 divisors (see below), whose sum is σ = 446618880. Its totient is φ = 410945040.

The previous prime is 428652589. The next prime is 428652599. The reversal of 428652593 is 395256824.

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 428652593 - 2² = 428652589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428652599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61298 + ... + 67931.

It is an arithmetic number, because the mean of its divisors is an integer number (55827360).

Almost surely, 2^428652593 is an apocalyptic number.

It is an amenable number.

428652593 is a deficient number, since it is larger than the sum of its proper divisors (17966287).

428652593 is a wasteful number, since it uses less digits than its factorization.

428652593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129367.

The product of its digits is 518400, while the sum is 44.

The square root of 428652593 is about 20703.9269946549. The cubic root of 428652593 is about 753.9950332352.

The spelling of 428652593 in words is "four hundred twenty-eight million, six hundred fifty-two thousand, five hundred ninety-three".