4779645 has 32 divisors (see below), whose sum is σ = 8343552. Its totient is φ = 2322432.

The previous prime is 4779631. The next prime is 4779661. The reversal of 4779645 is 5469774.

It is not a de Polignac number, because 4779645 - 2⁷ = 4779517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4779597 and 4779606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24669 + ... + 24861.

It is an arithmetic number, because the mean of its divisors is an integer number (260736).

Almost surely, 2^4779645 is an apocalyptic number.

It is an amenable number.

4779645 is a deficient number, since it is larger than the sum of its proper divisors (3563907).

4779645 is a wasteful number, since it uses less digits than its factorization.

4779645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 211680, while the sum is 42.

The square root of 4779645 is about 2186.2399227898. The cubic root of 4779645 is about 168.4477497684.

The spelling of 4779645 in words is "four million, seven hundred seventy-nine thousand, six hundred forty-five".