4977418 has 4 divisors (see below), whose sum is σ = 7466130. Its totient is φ = 2488708.

The previous prime is 4977409. The next prime is 4977419. The reversal of 4977418 is 8147794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 1225449 = 1937^2 + 1107^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4977419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244353 + ... + 1244356.

Almost surely, 2^4977418 is an apocalyptic number.

4977418 is a deficient number, since it is larger than the sum of its proper divisors (2488712).

4977418 is a wasteful number, since it uses less digits than its factorization.

4977418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488711.

The product of its digits is 56448, while the sum is 40.

The square root of 4977418 is about 2231.0127745040. The cubic root of 4977418 is about 170.7397749594.

The spelling of 4977418 in words is "four million, nine hundred seventy-seven thousand, four hundred eighteen".