4218479 has 4 divisors (see below), whose sum is σ = 4230984. Its totient is φ = 4205976.

The previous prime is 4218469. The next prime is 4218497. The reversal of 4218479 is 9748124.

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 4218479 - 2⁴ = 4218463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218439) 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, 5732 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (1057746).

Almost surely, 2^4218479 is an apocalyptic number.

4218479 is a deficient number, since it is larger than the sum of its proper divisors (12505).

4218479 is a wasteful number, since it uses less digits than its factorization.

4218479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504.

The product of its digits is 16128, while the sum is 35.

The square root of 4218479 is about 2053.8936194458. The cubic root of 4218479 is about 161.5791418158.

The spelling of 4218479 in words is "four million, two hundred eighteen thousand, four hundred seventy-nine".