395381 has 6 divisors (see below), whose sum is σ = 459990. Its totient is φ = 338856.

The previous prime is 395377. The next prime is 395383. The reversal of 395381 is 183593.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 188356 = 455^2 + 434^2 .

It is not a de Polignac number, because 395381 - 2² = 395377 is a prime.

It is a super-2 number, since 2×395381² = 312652270322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 395381.

It is not an unprimeable number, because it can be changed into a prime (395383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3986 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (76665).

2³⁹⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

395381 is a deficient number, since it is larger than the sum of its proper divisors (64609).

395381 is an equidigital number, since it uses as much as digits as its factorization.

395381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083 (or 8076 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 395381 is about 628.7932887683. The cubic root of 395381 is about 73.3959222319.

The spelling of 395381 in words is "three hundred ninety-five thousand, three hundred eighty-one".