4245979 has 4 divisors (see below), whose sum is σ = 4250376. Its totient is φ = 4241584.

The previous prime is 4245973. The next prime is 4246003. The reversal of 4245979 is 9795424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4245979 - 2⁵ = 4245947 is a prime.

It is a Duffinian number.

4245979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4245973) 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 3 ways as a sum of consecutive naturals, for example, 49 + ... + 2914.

It is an arithmetic number, because the mean of its divisors is an integer number (1062594).

Almost surely, 2^4245979 is an apocalyptic number.

4245979 is a deficient number, since it is larger than the sum of its proper divisors (4397).

4245979 is a wasteful number, since it uses less digits than its factorization.

4245979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its digits is 90720, while the sum is 40.

The square root of 4245979 is about 2060.5773462794. The cubic root of 4245979 is about 161.9294897133.

The spelling of 4245979 in words is "four million, two hundred forty-five thousand, nine hundred seventy-nine".