406712629 has 4 divisors (see below), whose sum is σ = 406844140. Its totient is φ = 406581120.

The previous prime is 406712623. The next prime is 406712659. The reversal of 406712629 is 926217604.

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 353816100 + 52896529 = 18810^2 + 7273^2 .

It is a cyclic number.

It is not a de Polignac number, because 406712629 - 2⁵ = 406712597 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 (406712623) 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, 61002 + ... + 67339.

It is an arithmetic number, because the mean of its divisors is an integer number (101711035).

Almost surely, 2^406712629 is an apocalyptic number.

It is an amenable number.

406712629 is a deficient number, since it is larger than the sum of its proper divisors (131511).

406712629 is a wasteful number, since it uses less digits than its factorization.

406712629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131510.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 406712629 is about 20167.1175183763. The cubic root of 406712629 is about 740.9050461637.

The spelling of 406712629 in words is "four hundred six million, seven hundred twelve thousand, six hundred twenty-nine".