406676804 has 6 divisors (see below), whose sum is σ = 711684414. Its totient is φ = 203338400.

The previous prime is 406676789. The next prime is 406676807. The reversal of 406676804 is 408676604.

It can be written as a sum of positive squares in only one way, i.e., 207302404 + 199374400 = 14398^2 + 14120^2 .

It is not an unprimeable number, because it can be changed into a prime (406676807) 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 as a sum of consecutive naturals, namely, 50834597 + ... + 50834604.

It is an arithmetic number, because the mean of its divisors is an integer number (118614069).

Almost surely, 2^406676804 is an apocalyptic number.

It is an amenable number.

406676804 is a deficient number, since it is larger than the sum of its proper divisors (305007610).

406676804 is a wasteful number, since it uses less digits than its factorization.

406676804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101669205 (or 101669203 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 406676804 is about 20166.2292955327. The cubic root of 406676804 is about 740.8832914891.

The spelling of 406676804 in words is "four hundred six million, six hundred seventy-six thousand, eight hundred four".