4779681 has 4 divisors (see below), whose sum is σ = 6372912. Its totient is φ = 3186452.

The previous prime is 4779661. The next prime is 4779701. The reversal of 4779681 is 1869774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4779661) and next prime (4779701).

It is a cyclic number.

It is not a de Polignac number, because 4779681 - 2⁷ = 4779553 is a prime.

It is a super-2 number, since 2×4779681² = 45690700923522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4779631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 796611 + ... + 796616.

It is an arithmetic number, because the mean of its divisors is an integer number (1593228).

Almost surely, 2^4779681 is an apocalyptic number.

It is an amenable number.

4779681 is a deficient number, since it is larger than the sum of its proper divisors (1593231).

4779681 is a wasteful number, since it uses less digits than its factorization.

4779681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593230.

The product of its digits is 84672, while the sum is 42.

The square root of 4779681 is about 2186.2481560884. The cubic root of 4779681 is about 168.4481726801.

It can be divided in two parts, 4779 and 681, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 4779681 in words is "four million, seven hundred seventy-nine thousand, six hundred eighty-one".