408541111 has 8 divisors (see below), whose sum is σ = 465058944. Its totient is φ = 355252920.

The previous prime is 408541099. The next prime is 408541139. The reversal of 408541111 is 111145804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408541111 - 2¹¹ = 408539063 is a prime.

It is a super-2 number, since 2×408541111² = 333811678754228642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408541181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807141 + ... + 807646.

It is an arithmetic number, because the mean of its divisors is an integer number (58132368).

Almost surely, 2^408541111 is an apocalyptic number.

408541111 is a deficient number, since it is larger than the sum of its proper divisors (56517833).

408541111 is a wasteful number, since it uses less digits than its factorization.

408541111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614821.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 408541111 is about 20212.3999317251. The cubic root of 408541111 is about 742.0136966108.

Adding to 408541111 its reverse (111145804), we get a palindrome (519686915).

The spelling of 408541111 in words is "four hundred eight million, five hundred forty-one thousand, one hundred eleven".