406416111 has 4 divisors (see below), whose sum is σ = 541888152. Its totient is φ = 270944072.

The previous prime is 406416089. The next prime is 406416113. The reversal of 406416111 is 111614604.

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 406416111 - 2⁵ = 406416079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406416113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67736016 + ... + 67736021.

It is an arithmetic number, because the mean of its divisors is an integer number (135472038).

Almost surely, 2^406416111 is an apocalyptic number.

406416111 is a deficient number, since it is larger than the sum of its proper divisors (135472041).

406416111 is a wasteful number, since it uses less digits than its factorization.

406416111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135472040.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 406416111 is about 20159.7646563644. The cubic root of 406416111 is about 740.7249475896.

The spelling of 406416111 in words is "four hundred six million, four hundred sixteen thousand, one hundred eleven".