395934397 has 4 divisors (see below), whose sum is σ = 413148960. Its totient is φ = 378719836.

The previous prime is 395934391. The next prime is 395934401. The reversal of 395934397 is 793439593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793439593 = 599 ⋅1324607.

It is a cyclic number.

It is not a de Polignac number, because 395934397 - 2²³ = 387545789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395934391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8607247 + ... + 8607292.

It is an arithmetic number, because the mean of its divisors is an integer number (103287240).

Almost surely, 2^395934397 is an apocalyptic number.

It is an amenable number.

395934397 is a deficient number, since it is larger than the sum of its proper divisors (17214563).

395934397 is a wasteful number, since it uses less digits than its factorization.

395934397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214562.

The product of its digits is 2755620, while the sum is 52.

The square root of 395934397 is about 19898.1003364643. The cubic root of 395934397 is about 734.3014925840.

The spelling of 395934397 in words is "three hundred ninety-five million, nine hundred thirty-four thousand, three hundred ninety-seven".