428913304 has 16 divisors (see below), whose sum is σ = 822915720. Its totient is φ = 209469120.

The previous prime is 428913301. The next prime is 428913307. The reversal of 428913304 is 403319824.

It is an interprime number because it is at equal distance from previous prime (428913301) and next prime (428913307).

It is a self number, because there is not a number n which added to its sum of digits gives 428913304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428913301) 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, 623077 + ... + 623764.

Almost surely, 2^428913304 is an apocalyptic number.

It is an amenable number.

428913304 is a deficient number, since it is larger than the sum of its proper divisors (394002416).

428913304 is a wasteful number, since it uses less digits than its factorization.

428913304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246890 (or 1246886 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 428913304 is about 20710.2222102999. Note that the first 4 decimals coincide. The cubic root of 428913304 is about 754.1478648155.

The spelling of 428913304 in words is "four hundred twenty-eight million, nine hundred thirteen thousand, three hundred four".