395380 has 24 divisors (see below), whose sum is σ = 848232. Its totient is φ = 154752.

The previous prime is 395377. The next prime is 395383. The reversal of 395380 is 83593.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (395377) and next prime (395383).

It can be written as a sum of positive squares in 4 ways, for example, as 77284 + 318096 = 278^2 + 564^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395383) 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 7 ways as a sum of consecutive naturals, for example, 874 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (35343).

2³⁹⁵³⁸⁰ is an apocalyptic number.

It is an amenable number.

395380 is an abundant number, since it is smaller than the sum of its proper divisors (452852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395380 is a wasteful number, since it uses less digits than its factorization.

395380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 395380 is about 628.7924935939. The cubic root of 395380 is about 73.3958603540.

The spelling of 395380 in words is "three hundred ninety-five thousand, three hundred eighty".