993979373 has 2 divisors, whose sum is σ = 993979374. Its totient is φ = 993979372.

The previous prime is 993979367. The next prime is 993979391. The reversal of 993979373 is 373979399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744907849 + 249071524 = 27293^2 + 15782^2 .

It is an emirp because it is prime and its reverse (373979399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 993979373 - 2¹⁴ = 993962989 is a prime.

It is a super-3 number, since 3×993979373³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993979573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496989686 + 496989687.

It is an arithmetic number, because the mean of its divisors is an integer number (496989687).

Almost surely, 2^993979373 is an apocalyptic number.

It is an amenable number.

993979373 is a deficient number, since it is larger than the sum of its proper divisors (1).

993979373 is an equidigital number, since it uses as much as digits as its factorization.

993979373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8680203, while the sum is 59.

The square root of 993979373 is about 31527.4384148158. The cubic root of 993979373 is about 997.9890832578.

The spelling of 993979373 in words is "nine hundred ninety-three million, nine hundred seventy-nine thousand, three hundred seventy-three".