395489365 has 4 divisors (see below), whose sum is σ = 474587244. Its totient is φ = 316391488.

The previous prime is 395489363. The next prime is 395489401. The reversal of 395489365 is 563984593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563984593 = 269 ⋅2096597.

It can be written as a sum of positive squares in 2 ways, for example, as 70660836 + 324828529 = 8406^2 + 18023^2 .

It is a cyclic number.

It is not a de Polignac number, because 395489365 - 2¹ = 395489363 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 (395489363) 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, 39548932 + ... + 39548941.

It is an arithmetic number, because the mean of its divisors is an integer number (118646811).

Almost surely, 2^395489365 is an apocalyptic number.

It is an amenable number.

395489365 is a deficient number, since it is larger than the sum of its proper divisors (79097879).

395489365 is an equidigital number, since it uses as much as digits as its factorization.

395489365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79097878.

The product of its digits is 3499200, while the sum is 52.

The square root of 395489365 is about 19886.9144162688. The cubic root of 395489365 is about 734.0262700742.

The spelling of 395489365 in words is "three hundred ninety-five million, four hundred eighty-nine thousand, three hundred sixty-five".