428355016 has 16 divisors (see below), whose sum is σ = 806069340. Its totient is φ = 213403200.

The previous prime is 428354989. The next prime is 428355071. The reversal of 428355016 is 610553824.

It can be written as a sum of positive squares in 2 ways, for example, as 322058916 + 106296100 = 17946^2 + 10310^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94435 + ... + 98866.

Almost surely, 2^428355016 is an apocalyptic number.

It is an amenable number.

428355016 is a deficient number, since it is larger than the sum of its proper divisors (377714324).

428355016 is a wasteful number, since it uses less digits than its factorization.

428355016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193584 (or 193580 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 428355016 is about 20696.7392600864. The cubic root of 428355016 is about 753.8205146589.

The spelling of 428355016 in words is "four hundred twenty-eight million, three hundred fifty-five thousand, sixteen".