428546732 has 6 divisors (see below), whose sum is σ = 749956788. Its totient is φ = 214273364.

The previous prime is 428546687. The next prime is 428546749. The reversal of 428546732 is 237645824.

It is a self number, because there is not a number n which added to its sum of digits gives 428546732.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53568338 + ... + 53568345.

It is an arithmetic number, because the mean of its divisors is an integer number (124992798).

Almost surely, 2^428546732 is an apocalyptic number.

It is an amenable number.

428546732 is a deficient number, since it is larger than the sum of its proper divisors (321410056).

428546732 is a wasteful number, since it uses less digits than its factorization.

428546732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107136687 (or 107136685 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 428546732 is about 20701.3702928091. The cubic root of 428546732 is about 753.9329586934.

The spelling of 428546732 in words is "four hundred twenty-eight million, five hundred forty-six thousand, seven hundred thirty-two".