428211488 has 24 divisors (see below), whose sum is σ = 849687552. Its totient is φ = 212417856.

The previous prime is 428211481. The next prime is 428211499. The reversal of 428211488 is 884112824.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (428211481) 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, 48620 + ... + 56747.

It is an arithmetic number, because the mean of its divisors is an integer number (35403648).

Almost surely, 2^428211488 is an apocalyptic number.

It is an amenable number.

428211488 is a deficient number, since it is larger than the sum of its proper divisors (421476064).

428211488 is a wasteful number, since it uses less digits than its factorization.

428211488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105504 (or 105496 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 428211488 is about 20693.2715634817. The cubic root of 428211488 is about 753.7363115772.

The spelling of 428211488 in words is "four hundred twenty-eight million, two hundred eleven thousand, four hundred eighty-eight".