793040399 has 2 divisors, whose sum is σ = 793040400. Its totient is φ = 793040398.

The previous prime is 793040387. The next prime is 793040401. The reversal of 793040399 is 993040397.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 793040399 - 2¹⁶ = 792974863 is a prime.

Together with 793040401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (793040329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396520199 + 396520200.

It is an arithmetic number, because the mean of its divisors is an integer number (396520200).

Almost surely, 2^793040399 is an apocalyptic number.

793040399 is a deficient number, since it is larger than the sum of its proper divisors (1).

793040399 is an equidigital number, since it uses as much as digits as its factorization.

793040399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 793040399 is about 28160.9729767989. The cubic root of 793040399 is about 925.6179553263.

The spelling of 793040399 in words is "seven hundred ninety-three million, forty thousand, three hundred ninety-nine".