4977218 has 4 divisors (see below), whose sum is σ = 7465830. Its totient is φ = 2488608.

The previous prime is 4977211. The next prime is 4977227. The reversal of 4977218 is 8127794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8127794 = 2 ⋅4063897.

It can be written as a sum of positive squares in only one way, i.e., 4959529 + 17689 = 2227^2 + 133^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4977211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244303 + ... + 1244306.

Almost surely, 2^4977218 is an apocalyptic number.

4977218 is a deficient number, since it is larger than the sum of its proper divisors (2488612).

4977218 is a wasteful number, since it uses less digits than its factorization.

4977218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488611.

The product of its digits is 28224, while the sum is 38.

The square root of 4977218 is about 2230.9679513610. The cubic root of 4977218 is about 170.7374880701.

The spelling of 4977218 in words is "four million, nine hundred seventy-seven thousand, two hundred eighteen".