393079 has 2 divisors, whose sum is σ = 393080. Its totient is φ = 393078.

The previous prime is 393077. The next prime is 393083. The reversal of 393079 is 970393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 393079 - 2¹ = 393077 is a prime.

It is a super-2 number, since 2×393079² = 309022200482, which contains 22 as substring.

Together with 393077, it forms a pair of twin primes.

393079 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 393079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196539 + 196540.

It is an arithmetic number, because the mean of its divisors is an integer number (196540).

2³⁹³⁰⁷⁹ is an apocalyptic number.

393079 is a deficient number, since it is larger than the sum of its proper divisors (1).

393079 is an equidigital number, since it uses as much as digits as its factorization.

393079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 393079 is about 626.9601263238. The cubic root of 393079 is about 73.2532021881.

The spelling of 393079 in words is "three hundred ninety-three thousand, seventy-nine".