406928356 has 6 divisors (see below), whose sum is σ = 712124630. Its totient is φ = 203464176.

The previous prime is 406928323. The next prime is 406928407. The reversal of 406928356 is 653829604.

It can be written as a sum of positive squares in only one way, i.e., 346555456 + 60372900 = 18616^2 + 7770^2 .

It is an unprimeable number.

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, 50866041 + ... + 50866048.

Almost surely, 2^406928356 is an apocalyptic number.

It is an amenable number.

406928356 is a deficient number, since it is larger than the sum of its proper divisors (305196274).

406928356 is a wasteful number, since it uses less digits than its factorization.

406928356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101732093 (or 101732091 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 406928356 is about 20172.4652930672. The cubic root of 406928356 is about 741.0360190427.

The spelling of 406928356 in words is "four hundred six million, nine hundred twenty-eight thousand, three hundred fifty-six".