4979993 has 2 divisors, whose sum is σ = 4979994. Its totient is φ = 4979992.

The previous prime is 4979977. The next prime is 4979999. The reversal of 4979993 is 3999794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4721929 + 258064 = 2173^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 4979993 - 2⁴ = 4979977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4979999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489996 + 2489997.

It is an arithmetic number, because the mean of its divisors is an integer number (2489997).

Almost surely, 2^4979993 is an apocalyptic number.

It is an amenable number.

4979993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979993 is an equidigital number, since it uses as much as digits as its factorization.

4979993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 50.

The square root of 4979993 is about 2231.5897920541. The cubic root of 4979993 is about 170.7692131893.

The spelling of 4979993 in words is "four million, nine hundred seventy-nine thousand, nine hundred ninety-three".