395739 has 8 divisors (see below), whose sum is σ = 586320. Its totient is φ = 263808.

The previous prime is 395737. The next prime is 395741. The reversal of 395739 is 937593.

It is an interprime number because it is at equal distance from previous prime (395737) and next prime (395741).

It is not a de Polignac number, because 395739 - 2¹ = 395737 is a prime.

It is a super-2 number, since 2×395739² = 313218712242, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (395737) 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, 7302 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (73290).

2³⁹⁵⁷³⁹ is an apocalyptic number.

395739 is a deficient number, since it is larger than the sum of its proper divisors (190581).

395739 is a wasteful number, since it uses less digits than its factorization.

395739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666 (or 14660 counting only the distinct ones).

The product of its digits is 25515, while the sum is 36.

The square root of 395739 is about 629.0778966074. The cubic root of 395739 is about 73.4180678025.

It can be divided in two parts, 39 and 5739, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 395739 in words is "three hundred ninety-five thousand, seven hundred thirty-nine".