428861735 has 8 divisors (see below), whose sum is σ = 519940176. Its totient is φ = 339552000.

The previous prime is 428861729. The next prime is 428861753. The reversal of 428861735 is 537168824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-428861735 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 441641 + ... + 442610.

It is an arithmetic number, because the mean of its divisors is an integer number (64992522).

Almost surely, 2^428861735 is an apocalyptic number.

428861735 is a deficient number, since it is larger than the sum of its proper divisors (91078441).

428861735 is an equidigital number, since it uses as much as digits as its factorization.

428861735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884353.

The product of its digits is 322560, while the sum is 44.

The square root of 428861735 is about 20708.9771596764. The cubic root of 428861735 is about 754.1176394300.

The spelling of 428861735 in words is "four hundred twenty-eight million, eight hundred sixty-one thousand, seven hundred thirty-five".