395578081 has 8 divisors (see below), whose sum is σ = 434502720. Its totient is φ = 358463952.

The previous prime is 395578069. The next prime is 395578087. The reversal of 395578081 is 180875593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395578081 - 2⁷ = 395577953 is a prime.

It is a super-2 number, since 2×395578081² = 312964036335285122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395578087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452170 + ... + 453043.

It is an arithmetic number, because the mean of its divisors is an integer number (54312840).

Almost surely, 2^395578081 is an apocalyptic number.

It is an amenable number.

395578081 is a deficient number, since it is larger than the sum of its proper divisors (38924639).

395578081 is a wasteful number, since it uses less digits than its factorization.

395578081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905255.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 395578081 is about 19889.1448031332. The cubic root of 395578081 is about 734.0811514539.

The spelling of 395578081 in words is "three hundred ninety-five million, five hundred seventy-eight thousand, eighty-one".