4528386 has 20 divisors (see below), whose sum is σ = 10147302. Its totient is φ = 1509408.

The previous prime is 4528369. The next prime is 4528399. The reversal of 4528386 is 6838254.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 2047761 = 1575^2 + 1431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4528386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13815 + ... + 14138.

Almost surely, 2^4528386 is an apocalyptic number.

4528386 is an abundant number, since it is smaller than the sum of its proper divisors (5618916).

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

4528386 is a wasteful number, since it uses less digits than its factorization.

4528386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27967 (or 27958 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4528386 is about 2128.0004699248. Note that the first 3 decimals coincide. The cubic root of 4528386 is about 165.4427776849.

It can be divided in two parts, 45283 and 86, that added together give a square (45369 = 213²).

The spelling of 4528386 in words is "four million, five hundred twenty-eight thousand, three hundred eighty-six".