428997412 has 12 divisors (see below), whose sum is σ = 768204976. Its totient is φ = 209510280.

The previous prime is 428997367. The next prime is 428997427. The reversal of 428997412 is 214799824.

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, 1246914 + ... + 1247257.

Almost surely, 2^428997412 is an apocalyptic number.

It is an amenable number.

428997412 is a deficient number, since it is larger than the sum of its proper divisors (339207564).

428997412 is a wasteful number, since it uses less digits than its factorization.

428997412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494218 (or 2494216 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 428997412 is about 20712.2527022050. The cubic root of 428997412 is about 754.1971566129.

The spelling of 428997412 in words is "four hundred twenty-eight million, nine hundred ninety-seven thousand, four hundred twelve".