428949208 has 16 divisors (see below), whose sum is σ = 832014000. Its totient is φ = 207078816.

The previous prime is 428949203. The next prime is 428949221. The reversal of 428949208 is 802949824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428949203) 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, 924228 + ... + 924691.

It is an arithmetic number, because the mean of its divisors is an integer number (52000875).

Almost surely, 2^428949208 is an apocalyptic number.

It is an amenable number.

428949208 is a deficient number, since it is larger than the sum of its proper divisors (403064792).

428949208 is a wasteful number, since it uses less digits than its factorization.

428949208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848954 (or 1848950 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 428949208 is about 20711.0890104794. The cubic root of 428949208 is about 754.1689072727.

The spelling of 428949208 in words is "four hundred twenty-eight million, nine hundred forty-nine thousand, two hundred eight".