428607575 has 12 divisors (see below), whose sum is σ = 579789528. Its totient is φ = 311714400.

The previous prime is 428607551. The next prime is 428607577. The reversal of 428607575 is 575706824.

It is not a de Polignac number, because 428607575 - 2¹² = 428603479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428607577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779012 + ... + 779561.

It is an arithmetic number, because the mean of its divisors is an integer number (48315794).

Almost surely, 2^428607575 is an apocalyptic number.

428607575 is a deficient number, since it is larger than the sum of its proper divisors (151181953).

428607575 is a wasteful number, since it uses less digits than its factorization.

428607575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558594 (or 1558589 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 428607575 is about 20702.8397810542. The cubic root of 428607575 is about 753.9686369279.

The spelling of 428607575 in words is "four hundred twenty-eight million, six hundred seven thousand, five hundred seventy-five".