395489 has 4 divisors (see below), whose sum is σ = 398640. Its totient is φ = 392340.

The previous prime is 395459. The next prime is 395491. The reversal of 395489 is 984593.

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.

It is a cyclic number.

It is not a de Polignac number, because 395489 - 2¹² = 391393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (99660).

2³⁹⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

395489 is a deficient number, since it is larger than the sum of its proper divisors (3151).

395489 is a wasteful number, since it uses less digits than its factorization.

395489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its digits is 38880, while the sum is 38.

The square root of 395489 is about 628.8791616837. The cubic root of 395489 is about 73.4026044261.

The spelling of 395489 in words is "three hundred ninety-five thousand, four hundred eighty-nine".