428919935 has 8 divisors (see below), whose sum is σ = 520010736. Its totient is φ = 339598080.

The previous prime is 428919859. The next prime is 428919943. The reversal of 428919935 is 539919824.

It is a happy number.

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

It is not a de Polignac number, because 428919935 - 2⁸ = 428919679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441701 + ... + 442670.

It is an arithmetic number, because the mean of its divisors is an integer number (65001342).

Almost surely, 2^428919935 is an apocalyptic number.

428919935 is a deficient number, since it is larger than the sum of its proper divisors (91090801).

428919935 is an equidigital number, since it uses as much as digits as its factorization.

428919935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884473.

The product of its digits is 699840, while the sum is 50.

The square root of 428919935 is about 20710.3822997066. The cubic root of 428919935 is about 754.1517511710.

The spelling of 428919935 in words is "four hundred twenty-eight million, nine hundred nineteen thousand, nine hundred thirty-five".