395457 has 8 divisors (see below), whose sum is σ = 530784. Its totient is φ = 261888.

The previous prime is 395453. The next prime is 395459. The reversal of 395457 is 754593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 395457 - 2² = 395453 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

395457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (395453) 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, 238 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (66348).

2³⁹⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

395457 is a deficient number, since it is larger than the sum of its proper divisors (135327).

395457 is a wasteful number, since it uses less digits than its factorization.

395457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 18900, while the sum is 33.

The square root of 395457 is about 628.8537190794. The cubic root of 395457 is about 73.4006246436.

The spelling of 395457 in words is "three hundred ninety-five thousand, four hundred fifty-seven".