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396861 = 3132287
BaseRepresentation
bin1100000111000111101
3202011101120
41200320331
5100144421
612301153
73242013
oct1407075
9664346
10396861
11251193
121717b9
1310b83a
14a48b3
157c8c6
hex60e3d

396861 has 4 divisors (see below), whose sum is σ = 529152. Its totient is φ = 264572.

The previous prime is 396833. The next prime is 396871. The reversal of 396861 is 168693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396861 - 27 = 396733 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396871) 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, 66141 + ... + 66146.

It is an arithmetic number, because the mean of its divisors is an integer number (132288).

2396861 is an apocalyptic number.

It is an amenable number.

396861 is a deficient number, since it is larger than the sum of its proper divisors (132291).

396861 is a wasteful number, since it uses less digits than its factorization.

396861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132290.

The product of its digits is 7776, while the sum is 33.

The square root of 396861 is about 629.9690468587. The cubic root of 396861 is about 73.4873873494.

The spelling of 396861 in words is "three hundred ninety-six thousand, eight hundred sixty-one".

Divisors: 1 3 132287 396861