396446111 has 4 divisors (see below), whose sum is σ = 405665832. Its totient is φ = 387226392.

The previous prime is 396446087. The next prime is 396446117. The reversal of 396446111 is 111644693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396446111 - 2¹⁸ = 396183967 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 (396446117) 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, 4609796 + ... + 4609881.

It is an arithmetic number, because the mean of its divisors is an integer number (101416458).

Almost surely, 2^396446111 is an apocalyptic number.

396446111 is a deficient number, since it is larger than the sum of its proper divisors (9219721).

396446111 is an equidigital number, since it uses as much as digits as its factorization.

396446111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219720.

The product of its digits is 15552, while the sum is 35.

The square root of 396446111 is about 19910.9545476856. The cubic root of 396446111 is about 734.6176986661.

The spelling of 396446111 in words is "three hundred ninety-six million, four hundred forty-six thousand, one hundred eleven".