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396666 = 23222037
BaseRepresentation
bin1100000110101111010
3202011010100
41200311322
5100143131
612300230
73241314
oct1406572
9664110
10396666
11251026
12171676
1310b71a
14a47b4
157c7e6
hex60d7a

396666 has 12 divisors (see below), whose sum is σ = 859482. Its totient is φ = 132216.

The previous prime is 396647. The next prime is 396667. The reversal of 396666 is 666693.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 11025 = 621^2 + 105^2 .

It is a nude number because it is divisible by every one of its digits.

396666 is a modest number, since divided by 666 gives 396 as remainder.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 396666.

It is not an unprimeable number, because it can be changed into a prime (396667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11001 + ... + 11036.

2396666 is an apocalyptic number.

396666 is an abundant number, since it is smaller than the sum of its proper divisors (462816).

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

396666 is a wasteful number, since it uses less digits than its factorization.

396666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22045 (or 22042 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 396666 is about 629.8142583334. The cubic root of 396666 is about 73.4753492234.

It can be divided in two parts, 3 and 96666, that added together give a palindrome (96669).

The spelling of 396666 in words is "three hundred ninety-six thousand, six hundred sixty-six".

Divisors: 1 2 3 6 9 18 22037 44074 66111 132222 198333 396666