8428132 has 6 divisors (see below), whose sum is σ = 14749238. Its totient is φ = 4214064.

The previous prime is 8428099. The next prime is 8428139. The reversal of 8428132 is 2318248.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 3481956 = 2224^2 + 1866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8428132.

It is not an unprimeable number, because it can be changed into a prime (8428139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053513 + ... + 1053520.

Almost surely, 2^8428132 is an apocalyptic number.

It is an amenable number.

8428132 is a deficient number, since it is larger than the sum of its proper divisors (6321106).

8428132 is a wasteful number, since it uses less digits than its factorization.

8428132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107037 (or 2107035 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 8428132 is about 2903.1245236813. The cubic root of 8428132 is about 203.5059491527.

The spelling of 8428132 in words is "eight million, four hundred twenty-eight thousand, one hundred thirty-two".