406220548 has 12 divisors (see below), whose sum is σ = 711144000. Its totient is φ = 203036552.

The previous prime is 406220489. The next prime is 406220557. The reversal of 406220548 is 845022604.

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 in 3 ways as a sum of consecutive naturals, for example, 4936 + ... + 28927.

It is an arithmetic number, because the mean of its divisors is an integer number (59262000).

Almost surely, 2^406220548 is an apocalyptic number.

It is an amenable number.

406220548 is a deficient number, since it is larger than the sum of its proper divisors (304923452).

406220548 is a wasteful number, since it uses less digits than its factorization.

406220548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36866 (or 36864 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 406220548 is about 20154.9137433034. The cubic root of 406220548 is about 740.6061189392.

The spelling of 406220548 in words is "four hundred six million, two hundred twenty thousand, five hundred forty-eight".