428747482 has 4 divisors (see below), whose sum is σ = 643121226. Its totient is φ = 214373740.

The previous prime is 428747479. The next prime is 428747587. The reversal of 428747482 is 284747824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 418243401 + 10504081 = 20451^2 + 3241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107186869 + ... + 107186872.

Almost surely, 2^428747482 is an apocalyptic number.

428747482 is a deficient number, since it is larger than the sum of its proper divisors (214373744).

428747482 is a wasteful number, since it uses less digits than its factorization.

428747482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214373743.

The product of its digits is 802816, while the sum is 46.

The square root of 428747482 is about 20706.2184379476. The cubic root of 428747482 is about 754.0506653541.

The spelling of 428747482 in words is "four hundred twenty-eight million, seven hundred forty-seven thousand, four hundred eighty-two".