4947458 has 16 divisors (see below), whose sum is σ = 7733880. Its totient is φ = 2370816.

The previous prime is 4947431. The next prime is 4947463. The reversal of 4947458 is 8547494.

It can be written as a sum of positive squares in 4 ways, for example, as 4566769 + 380689 = 2137^2 + 617^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11210 + ... + 11642.

Almost surely, 2^4947458 is an apocalyptic number.

4947458 is a deficient number, since it is larger than the sum of its proper divisors (2786422).

4947458 is a wasteful number, since it uses less digits than its factorization.

4947458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 161280, while the sum is 41.

The square root of 4947458 is about 2224.2882007510. The cubic root of 4947458 is about 170.3965138846.

The spelling of 4947458 in words is "four million, nine hundred forty-seven thousand, four hundred fifty-eight".