395011 has 4 divisors (see below), whose sum is σ = 399024. Its totient is φ = 391000.

The previous prime is 394993. The next prime is 395023. The reversal of 395011 is 110593.

395011 = T₃₃ + T₃₄ + ... + T₁₃₃.

395011 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 395011 - 2¹¹ = 392963 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 395011.

It is not an unprimeable number, because it can be changed into a prime (395111) 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 3 ways as a sum of consecutive naturals, for example, 1855 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (99756).

2³⁹⁵⁰¹¹ is an apocalyptic number.

395011 is a deficient number, since it is larger than the sum of its proper divisors (4013).

395011 is a wasteful number, since it uses less digits than its factorization.

395011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 395011 is about 628.4990055680. The cubic root of 395011 is about 73.3730202995.

It can be divided in two parts, 39 and 5011, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 395011 in words is "three hundred ninety-five thousand, eleven".