395172 has 24 divisors (see below), whose sum is σ = 1024800. Its totient is φ = 131688.

The previous prime is 395159. The next prime is 395173. The reversal of 395172 is 271593.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 395172.

It is not an unprimeable number, because it can be changed into a prime (395173) by changing a digit.

395172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (42700).

2³⁹⁵¹⁷² is an apocalyptic number.

It is an amenable number.

395172 is an abundant number, since it is smaller than the sum of its proper divisors (629628).

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

395172 is a wasteful number, since it uses less digits than its factorization.

395172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672 (or 3664 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 395172 is about 628.6270754589. The cubic root of 395172 is about 73.3829874918.

The spelling of 395172 in words is "three hundred ninety-five thousand, one hundred seventy-two".