395165204 has 72 divisors (see below), whose sum is σ = 857099880. Its totient is φ = 158398464.

The previous prime is 395165203. The next prime is 395165207. The reversal of 395165204 is 402561593.

It can be written as a sum of positive squares in 4 ways, for example, as 108201604 + 286963600 = 10402^2 + 16940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395165201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776102 + ... + 776610.

It is an arithmetic number, because the mean of its divisors is an integer number (11904165).

Almost surely, 2^395165204 is an apocalyptic number.

395165204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395165204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428549940).

395165204 is an abundant number, since it is smaller than the sum of its proper divisors (461934676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395165204 is a wasteful number, since it uses less digits than its factorization.

395165204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 395165204 is about 19878.7626375486. The cubic root of 395165204 is about 733.8256681955.

The spelling of 395165204 in words is "three hundred ninety-five million, one hundred sixty-five thousand, two hundred four".