428081848 has 16 divisors (see below), whose sum is σ = 817798680. Its totient is φ = 210002208.

The previous prime is 428081839. The next prime is 428081851. The reversal of 428081848 is 848180824.

It is a happy number.

It is a congruent number.

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, 504390 + ... + 505237.

Almost surely, 2^428081848 is an apocalyptic number.

It is an amenable number.

428081848 is a deficient number, since it is larger than the sum of its proper divisors (389716832).

428081848 is a wasteful number, since it uses less digits than its factorization.

428081848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009686 (or 1009682 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 43.

The square root of 428081848 is about 20690.1389072186. The cubic root of 428081848 is about 753.6602399469.

The spelling of 428081848 in words is "four hundred twenty-eight million, eighty-one thousand, eight hundred forty-eight".