395634 has 16 divisors (see below), whose sum is σ = 797472. Its totient is φ = 130848.

The previous prime is 395627. The next prime is 395657. The reversal of 395634 is 436593.

395634 = T₂₉₂ + T₂₉₃ + ... + T₃₀₀.

It is a happy number.

It is a super-3 number, since 3×395634³ = 185781333368100312, which contains 333 as substring.

It is an unprimeable number.

395634 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, 1257 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (49842).

395634 is a Friedman number, since it can be written as 9+633*5^4, using all its digits and the basic arithmetic operations.

2³⁹⁵⁶³⁴ is an apocalyptic number.

395634 is an abundant number, since it is smaller than the sum of its proper divisors (401838).

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

395634 is a wasteful number, since it uses less digits than its factorization.

395634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 9720, while the sum is 30.

The square root of 395634 is about 628.9944355875. The cubic root of 395634 is about 73.4115739779.

The spelling of 395634 in words is "three hundred ninety-five thousand, six hundred thirty-four".