395057 has 4 divisors (see below), whose sum is σ = 425460. Its totient is φ = 364656.

The previous prime is 395047. The next prime is 395069. The reversal of 395057 is 750593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750593 = 479 ⋅1567.

It can be written as a sum of positive squares in 2 ways, for example, as 160801 + 234256 = 401^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 395057 - 2⁶ = 394993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15182 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (106365).

2³⁹⁵⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

395057 is a deficient number, since it is larger than the sum of its proper divisors (30403).

395057 is a wasteful number, since it uses less digits than its factorization.

395057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 395057 is about 628.5355996282. The cubic root of 395057 is about 73.3758683451.

The spelling of 395057 in words is "three hundred ninety-five thousand, fifty-seven".