4866440 has 16 divisors (see below), whose sum is σ = 10949580. Its totient is φ = 1946560.

The previous prime is 4866401. The next prime is 4866443. The reversal of 4866440 is 446684.

It can be written as a sum of positive squares in 2 ways, for example, as 4866436 + 4 = 2206^2 + 2^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4866397 and 4866406.

It is not an unprimeable number, because it can be changed into a prime (4866443) 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 in 3 ways as a sum of consecutive naturals, for example, 60791 + ... + 60870.

Almost surely, 2^4866440 is an apocalyptic number.

4866440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4866440 is an abundant number, since it is smaller than the sum of its proper divisors (6083140).

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

4866440 is a wasteful number, since it uses less digits than its factorization.

4866440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121672 (or 121668 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 4866440 is about 2206.0009066181. Note that the first 3 decimals coincide. The cubic root of 4866440 is about 169.4612703488.

The spelling of 4866440 in words is "four million, eight hundred sixty-six thousand, four hundred forty".