4522786 has 4 divisors (see below), whose sum is σ = 6784182. Its totient is φ = 2261392.

The previous prime is 4522747. The next prime is 4522787. The reversal of 4522786 is 6872254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6872254 = 2 ⋅3436127.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 175561 = 2085^2 + 419^2 .

It is a d-powerful number, because it can be written as 4⁸ + 5² + 2¹⁸ + 2²² + 7² + 8³ + 6³ .

It is not an unprimeable number, because it can be changed into a prime (4522787) by changing a digit.

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 as a sum of consecutive naturals, namely, 1130695 + ... + 1130698.

Almost surely, 2^4522786 is an apocalyptic number.

4522786 is a deficient number, since it is larger than the sum of its proper divisors (2261396).

4522786 is a wasteful number, since it uses less digits than its factorization.

4522786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261395.

The product of its digits is 26880, while the sum is 34.

The square root of 4522786 is about 2126.6842736993. The cubic root of 4522786 is about 165.3745516307.

The spelling of 4522786 in words is "four million, five hundred twenty-two thousand, seven hundred eighty-six".