4486428 has 60 divisors (see below), whose sum is σ = 11973192. Its totient is φ = 1464480.

The previous prime is 4486421. The next prime is 4486429. The reversal of 4486428 is 8246844.

4486428 is a `hidden beast` number, since 4 + 4 + 8 + 642 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4486392 and 4486401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4486421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19651 + ... + 19877.

Almost surely, 2^4486428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4486428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5986596).

4486428 is an abundant number, since it is smaller than the sum of its proper divisors (7486764).

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

4486428 is a wasteful number, since it uses less digits than its factorization.

4486428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 293 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 4486428 is about 2118.1189768283. The cubic root of 4486428 is about 164.9302184261.

The spelling of 4486428 in words is "four million, four hundred eighty-six thousand, four hundred twenty-eight".