4779649 has 16 divisors (see below), whose sum is σ = 5667840. Its totient is φ = 3946320.

The previous prime is 4779631. The next prime is 4779661. The reversal of 4779649 is 9469774.

It is not a de Polignac number, because 4779649 - 2⁷ = 4779521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4779599 and 4779608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29242 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (354240).

Almost surely, 2^4779649 is an apocalyptic number.

It is an amenable number.

4779649 is a deficient number, since it is larger than the sum of its proper divisors (888191).

4779649 is a wasteful number, since it uses less digits than its factorization.

4779649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its digits is 381024, while the sum is 46.

The square root of 4779649 is about 2186.2408376023. The cubic root of 4779649 is about 168.4477967587.

The spelling of 4779649 in words is "four million, seven hundred seventy-nine thousand, six hundred forty-nine".