395740 has 24 divisors (see below), whose sum is σ = 850752. Its totient is φ = 154560.

The previous prime is 395737. The next prime is 395741. The reversal of 395740 is 47593.

It is a super-2 number, since 2×395740² = 313220295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395699 and 395708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395741) 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, 730 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (35448).

2³⁹⁵⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

395740 is an abundant number, since it is smaller than the sum of its proper divisors (455012).

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

395740 is a wasteful number, since it uses less digits than its factorization.

395740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 395740 is about 629.0786914210. The cubic root of 395740 is about 73.4181296430.

The spelling of 395740 in words is "three hundred ninety-five thousand, seven hundred forty".