4978682 has 4 divisors (see below), whose sum is σ = 7468026. Its totient is φ = 2489340.

The previous prime is 4978681. The next prime is 4978697. The reversal of 4978682 is 2868794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2868794 = 2 ⋅1434397.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 1515361 = 1861^2 + 1231^2 .

It is a d-powerful number, because it can be written as 4⁸ + 9⁵ + 7⁶ + 8² + 6⁷ + 8⁶ + 2²² .

It is not an unprimeable number, because it can be changed into a prime (4978681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244669 + ... + 1244672.

Almost surely, 2^4978682 is an apocalyptic number.

4978682 is a deficient number, since it is larger than the sum of its proper divisors (2489344).

4978682 is a wasteful number, since it uses less digits than its factorization.

4978682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489343.

The product of its digits is 193536, while the sum is 44.

The square root of 4978682 is about 2231.2960359397. The cubic root of 4978682 is about 170.7542266831.

The spelling of 4978682 in words is "four million, nine hundred seventy-eight thousand, six hundred eighty-two".