428897075 has 12 divisors (see below), whose sum is σ = 532679448. Its totient is φ = 342571200.

The previous prime is 428897069. The next prime is 428897111. The reversal of 428897075 is 570798824.

It is not a de Polignac number, because 428897075 - 2¹⁸ = 428634931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2735 + ... + 29415.

It is an arithmetic number, because the mean of its divisors is an integer number (44389954).

Almost surely, 2^428897075 is an apocalyptic number.

428897075 is a deficient number, since it is larger than the sum of its proper divisors (103782373).

428897075 is a wasteful number, since it uses less digits than its factorization.

428897075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27334 (or 27329 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 428897075 is about 20709.8303952495. The cubic root of 428897075 is about 754.1383530098.

The spelling of 428897075 in words is "four hundred twenty-eight million, eight hundred ninety-seven thousand, seventy-five".