4392979 has 4 divisors (see below), whose sum is σ = 4534720. Its totient is φ = 4251240.

The previous prime is 4392937. The next prime is 4393001. The reversal of 4392979 is 9792934.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4392979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4392929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70824 + ... + 70885.

It is an arithmetic number, because the mean of its divisors is an integer number (1133680).

Almost surely, 2^4392979 is an apocalyptic number.

4392979 is a deficient number, since it is larger than the sum of its proper divisors (141741).

4392979 is a wasteful number, since it uses less digits than its factorization.

4392979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141740.

The product of its digits is 122472, while the sum is 43.

The square root of 4392979 is about 2095.9434629779. The cubic root of 4392979 is about 163.7770493163. Note that the first 3 decimals are identical.

The spelling of 4392979 in words is "four million, three hundred ninety-two thousand, nine hundred seventy-nine".