4642979 has 4 divisors (see below), whose sum is σ = 5065080. Its totient is φ = 4220880.

The previous prime is 4642969. The next prime is 4642997. The reversal of 4642979 is 9792464.

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 4642979 - 2²⁰ = 3594403 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 6⁵ + 4¹¹ + 2¹¹ + 9 + 7⁶ + 9⁵ .

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (4642949) 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, 211034 + ... + 211055.

It is an arithmetic number, because the mean of its divisors is an integer number (1266270).

Almost surely, 2^4642979 is an apocalyptic number.

4642979 is a deficient number, since it is larger than the sum of its proper divisors (422101).

4642979 is a wasteful number, since it uses less digits than its factorization.

4642979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422100.

The product of its digits is 108864, while the sum is 41.

The square root of 4642979 is about 2154.7572949175. The cubic root of 4642979 is about 166.8267053876.

It can be divided in two parts, 464 and 2979, that added together give a palindrome (3443).

The spelling of 4642979 in words is "four million, six hundred forty-two thousand, nine hundred seventy-nine".