4506818 has 4 divisors (see below), whose sum is σ = 6760230. Its totient is φ = 2253408.

The previous prime is 4506791. The next prime is 4506841. The reversal of 4506818 is 8186054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8186054 = 2 ⋅4093027.

It can be written as a sum of positive squares in only one way, i.e., 3598609 + 908209 = 1897^2 + 953^2 .

It is a super-2 number, since 2×4506818² = 40622816970248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126703 + ... + 1126706.

Almost surely, 2^4506818 is an apocalyptic number.

4506818 is a deficient number, since it is larger than the sum of its proper divisors (2253412).

4506818 is a wasteful number, since it uses less digits than its factorization.

4506818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253411.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 4506818 is about 2122.9267533290. The cubic root of 4506818 is about 165.1797001480.

The spelling of 4506818 in words is "four million, five hundred six thousand, eight hundred eighteen".