428548575 has 48 divisors (see below), whose sum is σ = 872055296. Its totient is φ = 180835200.

The previous prime is 428548567. The next prime is 428548577. The reversal of 428548575 is 575845824.

It is not a de Polignac number, because 428548575 - 2³ = 428548567 is a prime.

It is a super-2 number, since 2×428548575² = 367307762269061250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428548577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24571 + ... + 38220.

Almost surely, 2^428548575 is an apocalyptic number.

428548575 is an abundant number, since it is smaller than the sum of its proper divisors (443506721).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428548575 is a wasteful number, since it uses less digits than its factorization.

428548575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62824 (or 62819 counting only the distinct ones).

The product of its digits is 1792000, while the sum is 48.

The square root of 428548575 is about 20701.4148067228. The cubic root of 428548575 is about 753.9340394752.

The spelling of 428548575 in words is "four hundred twenty-eight million, five hundred forty-eight thousand, five hundred seventy-five".