4423279 has 6 divisors (see below), whose sum is σ = 5145504. Its totient is φ = 3791340.

The previous prime is 4423277. The next prime is 4423301. The reversal of 4423279 is 9723244.

It is not a de Polignac number, because 4423279 - 2¹ = 4423277 is a prime.

It is a super-2 number, since 2×4423279² = 39130794223682, which contains 22 as substring.

4423279 is a lucky number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4423279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45087 + ... + 45184.

It is an arithmetic number, because the mean of its divisors is an integer number (857584).

Almost surely, 2^4423279 is an apocalyptic number.

4423279 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4423279 is a deficient number, since it is larger than the sum of its proper divisors (722225).

4423279 is an equidigital number, since it uses as much as digits as its factorization.

4423279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90285 (or 90278 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 4423279 is about 2103.1592902108. The cubic root of 4423279 is about 164.1527305144.

It can be divided in two parts, 442 and 3279, that added together give a square (3721 = 61²).

The spelling of 4423279 in words is "four million, four hundred twenty-three thousand, two hundred seventy-nine".