428436848 has 20 divisors (see below), whose sum is σ = 948681840. Its totient is φ = 183615744.

The previous prime is 428436803. The next prime is 428436859. The reversal of 428436848 is 848634824.

It is a super-3 number, since 3×428436848³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 1912553 + ... + 1912776.

It is an arithmetic number, because the mean of its divisors is an integer number (47434092).

Almost surely, 2^428436848 is an apocalyptic number.

It is an amenable number.

428436848 is an abundant number, since it is smaller than the sum of its proper divisors (520244992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428436848 is a wasteful number, since it uses less digits than its factorization.

428436848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825344 (or 3825338 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 47.

The square root of 428436848 is about 20698.7160954490. The cubic root of 428436848 is about 753.8685143401.

The spelling of 428436848 in words is "four hundred twenty-eight million, four hundred thirty-six thousand, eight hundred forty-eight".