4912979 has 4 divisors (see below), whose sum is σ = 4917720. Its totient is φ = 4908240.

The previous prime is 4912967. The next prime is 4912981. The reversal of 4912979 is 9792194.

It is a happy number.

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 4912979 - 2¹⁶ = 4847443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4912939) 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, 74 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (1229430).

Almost surely, 2^4912979 is an apocalyptic number.

4912979 is a deficient number, since it is larger than the sum of its proper divisors (4741).

4912979 is a wasteful number, since it uses less digits than its factorization.

4912979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740.

The product of its digits is 40824, while the sum is 41.

The square root of 4912979 is about 2216.5240806271. The cubic root of 4912979 is about 169.9997577851. Note that the first 3 decimals are identical.

The spelling of 4912979 in words is "four million, nine hundred twelve thousand, nine hundred seventy-nine".