4979405 has 4 divisors (see below), whose sum is σ = 5975292. Its totient is φ = 3983520.

The previous prime is 4979393. The next prime is 4979411. The reversal of 4979405 is 5049794.

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

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 4418404 = 749^2 + 2102^2 .

It is not a de Polignac number, because 4979405 - 2²² = 785101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497936 + ... + 497945.

It is an arithmetic number, because the mean of its divisors is an integer number (1493823).

Almost surely, 2^4979405 is an apocalyptic number.

It is an amenable number.

4979405 is a deficient number, since it is larger than the sum of its proper divisors (995887).

4979405 is an equidigital number, since it uses as much as digits as its factorization.

4979405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995886.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4979405 is about 2231.4580435222. The cubic root of 4979405 is about 170.7624918780.

The spelling of 4979405 in words is "four million, nine hundred seventy-nine thousand, four hundred five".