406756676 has 6 divisors (see below), whose sum is σ = 711824190. Its totient is φ = 203378336.

The previous prime is 406756663. The next prime is 406756687. The reversal of 406756676 is 676657604.

It can be written as a sum of positive squares in only one way, i.e., 257281600 + 149475076 = 16040^2 + 12226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406756676.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50844581 + ... + 50844588.

It is an arithmetic number, because the mean of its divisors is an integer number (118637365).

Almost surely, 2^406756676 is an apocalyptic number.

It is an amenable number.

406756676 is a deficient number, since it is larger than the sum of its proper divisors (305067514).

406756676 is a wasteful number, since it uses less digits than its factorization.

406756676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101689173 (or 101689171 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 406756676 is about 20168.2095387766. The cubic root of 406756676 is about 740.9317918839.

The spelling of 406756676 in words is "four hundred six million, seven hundred fifty-six thousand, six hundred seventy-six".