395932047 has 16 divisors (see below), whose sum is σ = 603977472. Its totient is φ = 226002240.

The previous prime is 395932037. The next prime is 395932073. The reversal of 395932047 is 740239593.

It is not a de Polignac number, because 395932047 - 2⁸ = 395931791 is a prime.

It is a super-2 number, since 2×395932047² = 313524371683220418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395932027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10683 + ... + 30099.

It is an arithmetic number, because the mean of its divisors is an integer number (37748592).

Almost surely, 2^395932047 is an apocalyptic number.

395932047 is a deficient number, since it is larger than the sum of its proper divisors (208045425).

395932047 is a wasteful number, since it uses less digits than its factorization.

395932047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 395932047 is about 19898.0412855135. The cubic root of 395932047 is about 734.3000398080.

The spelling of 395932047 in words is "three hundred ninety-five million, nine hundred thirty-two thousand, forty-seven".