428955532 has 12 divisors (see below), whose sum is σ = 755168400. Its totient is φ = 213193136.

The previous prime is 428955523. The next prime is 428955539. The reversal of 428955532 is 235559824.

It is not an unprimeable number, because it can be changed into a prime (428955539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320407 + ... + 321742.

It is an arithmetic number, because the mean of its divisors is an integer number (62930700).

Almost surely, 2^428955532 is an apocalyptic number.

It is an amenable number.

428955532 is a deficient number, since it is larger than the sum of its proper divisors (326212868).

428955532 is a wasteful number, since it uses less digits than its factorization.

428955532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642320 (or 642318 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 428955532 is about 20711.2416817534. The cubic root of 428955532 is about 754.1726134929.

The spelling of 428955532 in words is "four hundred twenty-eight million, nine hundred fifty-five thousand, five hundred thirty-two".