396111 has 12 divisors (see below), whose sum is σ = 550472. Its totient is φ = 253344.

The previous prime is 396107. The next prime is 396119. The reversal of 396111 is 111693.

It is a happy number.

It is not a de Polignac number, because 396111 - 2² = 396107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2445 + ... + 2601.

2³⁹⁶¹¹¹ is an apocalyptic number.

396111 is a deficient number, since it is larger than the sum of its proper divisors (154361).

396111 is a wasteful number, since it uses less digits than its factorization.

396111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 189 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 396111 is about 629.3734980121. The cubic root of 396111 is about 73.4410652562.

It can be divided in two parts, 396 and 111, that multiplied together give a triangular number (43956 = T₂₉₆).

The spelling of 396111 in words is "three hundred ninety-six thousand, one hundred eleven".