406046013 has 4 divisors (see below), whose sum is σ = 541394688. Its totient is φ = 270697340.

The previous prime is 406045993. The next prime is 406046021. The reversal of 406046013 is 310640604.

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 406046013 - 2⁶ = 406045949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406046713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67674333 + ... + 67674338.

It is an arithmetic number, because the mean of its divisors is an integer number (135348672).

Almost surely, 2^406046013 is an apocalyptic number.

It is an amenable number.

406046013 is a deficient number, since it is larger than the sum of its proper divisors (135348675).

406046013 is a wasteful number, since it uses less digits than its factorization.

406046013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135348674.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 406046013 is about 20150.5834406848. The cubic root of 406046013 is about 740.5000351819.

Adding to 406046013 its reverse (310640604), we get a palindrome (716686617).

The spelling of 406046013 in words is "four hundred six million, forty-six thousand, thirteen".