406115343 has 16 divisors (see below), whose sum is σ = 602168160. Its totient is φ = 270511488.

The previous prime is 406115273. The next prime is 406115383. The reversal of 406115343 is 343511604.

406115343 is a `hidden beast` number, since 4 + 0 + 611 + 5 + 3 + 43 = 666.

It is not a de Polignac number, because 406115343 - 2¹² = 406111247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406115383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29221 + ... + 40817.

It is an arithmetic number, because the mean of its divisors is an integer number (37635510).

Almost surely, 2^406115343 is an apocalyptic number.

406115343 is a deficient number, since it is larger than the sum of its proper divisors (196052817).

406115343 is a wasteful number, since it uses less digits than its factorization.

406115343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903 (or 12897 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 406115343 is about 20152.3036648419. The cubic root of 406115343 is about 740.5421781445.

Adding to 406115343 its reverse (343511604), we get a palindrome (749626947).

It can be divided in two parts, 40611 and 5343, that added together give a palindrome (45954).

The spelling of 406115343 in words is "four hundred six million, one hundred fifteen thousand, three hundred forty-three".