395810797 has 2 divisors, whose sum is σ = 395810798. Its totient is φ = 395810796.

The previous prime is 395810791. The next prime is 395810803. The reversal of 395810797 is 797018593.

It is a balanced prime because it is at equal distance from previous prime (395810791) and next prime (395810803).

It can be written as a sum of positive squares in only one way, i.e., 338339236 + 57471561 = 18394^2 + 7581^2 .

It is a cyclic number.

It is not a de Polignac number, because 395810797 - 2²⁷ = 261593069 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395810797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395810791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197905398 + 197905399.

It is an arithmetic number, because the mean of its divisors is an integer number (197905399).

Almost surely, 2^395810797 is an apocalyptic number.

It is an amenable number.

395810797 is a deficient number, since it is larger than the sum of its proper divisors (1).

395810797 is an equidigital number, since it uses as much as digits as its factorization.

395810797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 395810797 is about 19894.9942699162. The cubic root of 395810797 is about 734.2250749492.

The spelling of 395810797 in words is "three hundred ninety-five million, eight hundred ten thousand, seven hundred ninety-seven".