395501 has 4 divisors (see below), whose sum is σ = 401472. Its totient is φ = 389532.

The previous prime is 395491. The next prime is 395509. The reversal of 395501 is 105593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105593 = 23 ⋅4591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395509) 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, 2885 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (100368).

2³⁹⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

395501 is a deficient number, since it is larger than the sum of its proper divisors (5971).

395501 is an equidigital number, since it uses as much as digits as its factorization.

395501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 395501 is about 628.8887023949. Note that the first 3 decimals coincide. The cubic root of 395501 is about 73.4033468171.

The spelling of 395501 in words is "three hundred ninety-five thousand, five hundred one".