406845113 has 4 divisors (see below), whose sum is σ = 415501440. Its totient is φ = 398188788.

The previous prime is 406845107. The next prime is 406845143. The reversal of 406845113 is 311548604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406845113 - 2⁴ = 406845097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406845113.

It is not an unprimeable number, because it can be changed into a prime (406845143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328093 + ... + 4328186.

It is an arithmetic number, because the mean of its divisors is an integer number (103875360).

Almost surely, 2^406845113 is an apocalyptic number.

It is an amenable number.

406845113 is a deficient number, since it is larger than the sum of its proper divisors (8656327).

406845113 is an equidigital number, since it uses as much as digits as its factorization.

406845113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656326.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 406845113 is about 20170.4019047713. The cubic root of 406845113 is about 740.9854857672.

The spelling of 406845113 in words is "four hundred six million, eight hundred forty-five thousand, one hundred thirteen".