395290 has 16 divisors (see below), whose sum is σ = 813312. Its totient is φ = 135504.

The previous prime is 395287. The next prime is 395293. The reversal of 395290 is 92593.

It is an interprime number because it is at equal distance from previous prime (395287) and next prime (395293).

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (395293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2754 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (50832).

2³⁹⁵²⁹⁰ is an apocalyptic number.

395290 is an abundant number, since it is smaller than the sum of its proper divisors (418022).

It is a weird number, because it is abundant, but not a pseudoperfect number.

395290 is a wasteful number, since it uses less digits than its factorization.

395290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 395290 is about 628.7209237810. The cubic root of 395290 is about 73.3902909198.

It can be divided in two parts, 39 and 5290, that added together give a square (5329 = 73²).

The spelling of 395290 in words is "three hundred ninety-five thousand, two hundred ninety".