395646067 has 4 divisors (see below), whose sum is σ = 395778136. Its totient is φ = 395514000.

The previous prime is 395646037. The next prime is 395646071. The reversal of 395646067 is 760646593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 395646067 - 2¹⁵ = 395613299 is a prime.

It is a super-3 number, since 3×395646067³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395646037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61434 + ... + 67567.

It is an arithmetic number, because the mean of its divisors is an integer number (98944534).

Almost surely, 2^395646067 is an apocalyptic number.

395646067 is a deficient number, since it is larger than the sum of its proper divisors (132069).

395646067 is a wasteful number, since it uses less digits than its factorization.

395646067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132068.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 395646067 is about 19890.8538529647. The cubic root of 395646067 is about 734.1232033140.

The spelling of 395646067 in words is "three hundred ninety-five million, six hundred forty-six thousand, sixty-seven".