8481428 has 12 divisors (see below), whose sum is σ = 14867412. Its totient is φ = 4233600.

The previous prime is 8481413. The next prime is 8481437. The reversal of 8481428 is 8241848.

8481428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 3694084 = 2188^2 + 1922^2 .

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, 1628 + ... + 4428.

It is an arithmetic number, because the mean of its divisors is an integer number (1238951).

Almost surely, 2^8481428 is an apocalyptic number.

It is an amenable number.

8481428 is a deficient number, since it is larger than the sum of its proper divisors (6385984).

8481428 is a wasteful number, since it uses less digits than its factorization.

8481428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3560 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 8481428 is about 2912.2891339975. The cubic root of 8481428 is about 203.9340104388.

The spelling of 8481428 in words is "eight million, four hundred eighty-one thousand, four hundred twenty-eight".