394000799 has 2 divisors, whose sum is σ = 394000800. Its totient is φ = 394000798.

The previous prime is 394000771. The next prime is 394000801. The reversal of 394000799 is 997000493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394000799 - 2²⁰ = 392952223 is a prime.

It is a super-2 number, since 2×394000799² = 310473259225276802, which contains 22 as substring.

Together with 394000801, 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 (394002799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197000399 + 197000400.

It is an arithmetic number, because the mean of its divisors is an integer number (197000400).

Almost surely, 2^394000799 is an apocalyptic number.

394000799 is a deficient number, since it is larger than the sum of its proper divisors (1).

394000799 is an equidigital number, since it uses as much as digits as its factorization.

394000799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 394000799 is about 19849.4533677882. The cubic root of 394000799 is about 733.1041885764.

The spelling of 394000799 in words is "three hundred ninety-four million, seven hundred ninety-nine", and thus it is an aban number.