406036613 has 4 divisors (see below), whose sum is σ = 407616780. Its totient is φ = 404456448.

The previous prime is 406036607. The next prime is 406036633. The reversal of 406036613 is 316630604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 365497924 + 40538689 = 19118^2 + 6367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406036613 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 (406036633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789698 + ... + 790211.

It is an arithmetic number, because the mean of its divisors is an integer number (101904195).

Almost surely, 2^406036613 is an apocalyptic number.

It is an amenable number.

406036613 is a deficient number, since it is larger than the sum of its proper divisors (1580167).

406036613 is a wasteful number, since it uses less digits than its factorization.

406036613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580166.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 406036613 is about 20150.3501954681. The cubic root of 406036613 is about 740.4943209247.

The spelling of 406036613 in words is "four hundred six million, thirty-six thousand, six hundred thirteen".