4631979 has 8 divisors (see below), whose sum is σ = 6737472. Its totient is φ = 2807240.

The previous prime is 4631903. The next prime is 4631987. The reversal of 4631979 is 9791364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4631979 - 2⁹ = 4631467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4631999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70149 + ... + 70214.

It is an arithmetic number, because the mean of its divisors is an integer number (842184).

Almost surely, 2^4631979 is an apocalyptic number.

4631979 is a deficient number, since it is larger than the sum of its proper divisors (2105493).

4631979 is a wasteful number, since it uses less digits than its factorization.

4631979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140377.

The product of its digits is 40824, while the sum is 39.

The square root of 4631979 is about 2152.2032896546. The cubic root of 4631979 is about 166.6948543436.

It can be divided in two parts, 463 and 1979, that added together give a palindrome (2442).

The spelling of 4631979 in words is "four million, six hundred thirty-one thousand, nine hundred seventy-nine".