396379799 has 2 divisors, whose sum is σ = 396379800. Its totient is φ = 396379798.

The previous prime is 396379751. The next prime is 396379813. The reversal of 396379799 is 997973693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396379799 - 2¹⁶ = 396314263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396379099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198189899 + 198189900.

It is an arithmetic number, because the mean of its divisors is an integer number (198189900).

Almost surely, 2^396379799 is an apocalyptic number.

396379799 is a deficient number, since it is larger than the sum of its proper divisors (1).

396379799 is an equidigital number, since it uses as much as digits as its factorization.

396379799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17360406, while the sum is 62.

The square root of 396379799 is about 19909.2892640596. The cubic root of 396379799 is about 734.5767374998.

The spelling of 396379799 in words is "three hundred ninety-six million, three hundred seventy-nine thousand, seven hundred ninety-nine".