4773639 has 8 divisors (see below), whose sum is σ = 6854512. Its totient is φ = 2937600.

The previous prime is 4773611. The next prime is 4773641. The reversal of 4773639 is 9363774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4773639 - 2⁵ = 4773607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 122401 = 4773639 / (4 + 7 + 7 + 3 + 6 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4773597 and 4773606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4773239) 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 7 ways as a sum of consecutive naturals, for example, 61162 + ... + 61239.

It is an arithmetic number, because the mean of its divisors is an integer number (856814).

Almost surely, 2^4773639 is an apocalyptic number.

4773639 is a deficient number, since it is larger than the sum of its proper divisors (2080873).

4773639 is a wasteful number, since it uses less digits than its factorization.

4773639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122417.

The product of its digits is 95256, while the sum is 39.

The square root of 4773639 is about 2184.8658997751. The cubic root of 4773639 is about 168.3771642444.

The spelling of 4773639 in words is "four million, seven hundred seventy-three thousand, six hundred thirty-nine".