406673847 has 12 divisors (see below), whose sum is σ = 621972000. Its totient is φ = 255167808.

The previous prime is 406673759. The next prime is 406673851. The reversal of 406673847 is 748376604.

It is not a de Polignac number, because 406673847 - 2¹⁰ = 406672823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406673857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328847 + ... + 1329152.

It is an arithmetic number, because the mean of its divisors is an integer number (51831000).

Almost surely, 2^406673847 is an apocalyptic number.

406673847 is a deficient number, since it is larger than the sum of its proper divisors (215298153).

406673847 is a wasteful number, since it uses less digits than its factorization.

406673847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658022 (or 2658019 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 406673847 is about 20166.1559797598. The cubic root of 406673847 is about 740.8814957985.

The spelling of 406673847 in words is "four hundred six million, six hundred seventy-three thousand, eight hundred forty-seven".