4779438 has 16 divisors (see below), whose sum is σ = 9817680. Its totient is φ = 1550016.

The previous prime is 4779433. The next prime is 4779443. The reversal of 4779438 is 8349774.

It is an interprime number because it is at equal distance from previous prime (4779433) and next prime (4779443).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4779438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10543 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (613605).

Almost surely, 2^4779438 is an apocalyptic number.

4779438 is an abundant number, since it is smaller than the sum of its proper divisors (5038242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4779438 is a wasteful number, since it uses less digits than its factorization.

4779438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21571.

The product of its digits is 169344, while the sum is 42.

The square root of 4779438 is about 2186.1925807211. The cubic root of 4779438 is about 168.4453179847.

The spelling of 4779438 in words is "four million, seven hundred seventy-nine thousand, four hundred thirty-eight".