395140 has 24 divisors (see below), whose sum is σ = 866880. Its totient is φ = 151008.

The previous prime is 395137. The next prime is 395141. The reversal of 395140 is 41593.

It is a super-2 number, since 2×395140² = 312271239200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395141) 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, 31 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2³⁹⁵¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433440).

395140 is an abundant number, since it is smaller than the sum of its proper divisors (471740).

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

395140 is a wasteful number, since it uses less digits than its factorization.

395140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

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

The square root of 395140 is about 628.6016226514. The cubic root of 395140 is about 73.3810066505.

It can be divided in two parts, 395 and 140, that added together give a palindrome (535).

The spelling of 395140 in words is "three hundred ninety-five thousand, one hundred forty".