406783047 has 8 divisors (see below), whose sum is σ = 591684480. Its totient is φ = 246535160.

The previous prime is 406783009. The next prime is 406783051. The reversal of 406783047 is 740387604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406783047 - 2¹⁰ = 406782023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406782996 and 406783014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406783057) 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 7 ways as a sum of consecutive naturals, for example, 6163347 + ... + 6163412.

It is an arithmetic number, because the mean of its divisors is an integer number (73960560).

Almost surely, 2^406783047 is an apocalyptic number.

406783047 is a deficient number, since it is larger than the sum of its proper divisors (184901433).

406783047 is a wasteful number, since it uses less digits than its factorization.

406783047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326773.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 406783047 is about 20168.8633046089. The cubic root of 406783047 is about 740.9478036596.

The spelling of 406783047 in words is "four hundred six million, seven hundred eighty-three thousand, forty-seven".