395401 has 4 divisors (see below), whose sum is σ = 397332. Its totient is φ = 393472.

The previous prime is 395383. The next prime is 395407. The reversal of 395401 is 104593.

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 251001 + 144400 = 501^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 395401 - 2⁷ = 395273 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 (395407) 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, 616 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (99333).

2³⁹⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

395401 is a deficient number, since it is larger than the sum of its proper divisors (1931).

395401 is a wasteful number, since it uses less digits than its factorization.

395401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 395401 is about 628.8091920448. The cubic root of 395401 is about 73.3971597670.

Adding to 395401 its reverse (104593), we get a palindrome (499994).

The spelling of 395401 in words is "three hundred ninety-five thousand, four hundred one".