395047633 has 4 divisors (see below), whose sum is σ = 395470180. Its totient is φ = 394625088.

The previous prime is 395047613. The next prime is 395047673. The reversal of 395047633 is 336740593.

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

It can be written as a sum of positive squares in 2 ways, for example, as 142491969 + 252555664 = 11937^2 + 15892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395047633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395047613) 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 3 ways as a sum of consecutive naturals, for example, 209868 + ... + 211741.

It is an arithmetic number, because the mean of its divisors is an integer number (98867545).

Almost surely, 2^395047633 is an apocalyptic number.

It is an amenable number.

395047633 is a deficient number, since it is larger than the sum of its proper divisors (422547).

395047633 is an equidigital number, since it uses as much as digits as its factorization.

395047633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422546.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 395047633 is about 19875.8052163931. The cubic root of 395047633 is about 733.7528841425.

The spelling of 395047633 in words is "three hundred ninety-five million, forty-seven thousand, six hundred thirty-three".