428575069 has 16 divisors (see below), whose sum is σ = 468179712. Its totient is φ = 389956608.

The previous prime is 428575027. The next prime is 428575087. The reversal of 428575069 is 960575824.

It is a cyclic number.

It is not a de Polignac number, because 428575069 - 2⁷ = 428574941 is a prime.

It is a super-2 number, since 2×428575069² = 367353179536709522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428575019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351549 + ... + 352765.

It is an arithmetic number, because the mean of its divisors is an integer number (29261232).

Almost surely, 2^428575069 is an apocalyptic number.

It is an amenable number.

428575069 is a deficient number, since it is larger than the sum of its proper divisors (39604643).

428575069 is a wasteful number, since it uses less digits than its factorization.

428575069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 428575069 is about 20702.0547047872. The cubic root of 428575069 is about 753.9495758834.

The spelling of 428575069 in words is "four hundred twenty-eight million, five hundred seventy-five thousand, sixty-nine".