428909996 has 12 divisors (see below), whose sum is σ = 751019640. Its totient is φ = 214332960.

The previous prime is 428909981. The next prime is 428910011. The reversal of 428909996 is 699909824.

It is an interprime number because it is at equal distance from previous prime (428909981) and next prime (428910011).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22361 + ... + 36848.

It is an arithmetic number, because the mean of its divisors is an integer number (62584970).

Almost surely, 2^428909996 is an apocalyptic number.

It is an amenable number.

428909996 is a deficient number, since it is larger than the sum of its proper divisors (322109644).

428909996 is a wasteful number, since it uses less digits than its factorization.

428909996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61024 (or 61022 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 428909996 is about 20710.1423462032. The cubic root of 428909996 is about 754.1459260185.

The spelling of 428909996 in words is "four hundred twenty-eight million, nine hundred nine thousand, nine hundred ninety-six".