4279943 has 4 divisors (see below), whose sum is σ = 4350168. Its totient is φ = 4209720.

The previous prime is 4279939. The next prime is 4279963. The reversal of 4279943 is 3499724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4279943 - 2² = 4279939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4279897 and 4279906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4279963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35021 + ... + 35142.

It is an arithmetic number, because the mean of its divisors is an integer number (1087542).

Almost surely, 2^4279943 is an apocalyptic number.

4279943 is a deficient number, since it is larger than the sum of its proper divisors (70225).

4279943 is an equidigital number, since it uses as much as digits as its factorization.

4279943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70224.

The product of its digits is 54432, while the sum is 38.

The square root of 4279943 is about 2068.8023105169. The cubic root of 4279943 is about 162.3601068221.

The spelling of 4279943 in words is "four million, two hundred seventy-nine thousand, nine hundred forty-three".