396611 has 4 divisors (see below), whose sum is σ = 397872. Its totient is φ = 395352.

The previous prime is 396601. The next prime is 396619. The reversal of 396611 is 116693.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 116693 = 61 ⋅1913.

It is a cyclic number.

It is not a de Polignac number, because 396611 - 2⁶ = 396547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396619) 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, 290 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (99468).

2³⁹⁶⁶¹¹ is an apocalyptic number.

396611 is a deficient number, since it is larger than the sum of its proper divisors (1261).

396611 is an equidigital number, since it uses as much as digits as its factorization.

396611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its digits is 972, while the sum is 26.

The square root of 396611 is about 629.7705931528. The cubic root of 396611 is about 73.4719531412.

The spelling of 396611 in words is "three hundred ninety-six thousand, six hundred eleven".