4786418 has 54 divisors (see below), whose sum is σ = 9606951. Its totient is φ = 1782144.

The previous prime is 4786409. The next prime is 4786429. The reversal of 4786418 is 8146874.

It can be written as a sum of positive squares in 5 ways, for example, as 1940449 + 2845969 = 1393^2 + 1687^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1547.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 281546 + ... + 281562.

Almost surely, 2^4786418 is an apocalyptic number.

4786418 is an abundant number, since it is smaller than the sum of its proper divisors (4820533).

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

4786418 is a wasteful number, since it uses less digits than its factorization.

4786418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 39 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 4786418 is about 2187.7883809912. The cubic root of 4786418 is about 168.5272785570.

The spelling of 4786418 in words is "four million, seven hundred eighty-six thousand, four hundred eighteen".