406284064 has 12 divisors (see below), whose sum is σ = 799871814. Its totient is φ = 203142016.

The previous prime is 406284031. The next prime is 406284091. The reversal of 406284064 is 460482604.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 404010000 + 2274064 = 20100^2 + 1508^2 .

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, 6348157 + ... + 6348220.

Almost surely, 2^406284064 is an apocalyptic number.

It is an amenable number.

406284064 is a deficient number, since it is larger than the sum of its proper divisors (393587750).

406284064 is a wasteful number, since it uses less digits than its factorization.

406284064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696387 (or 12696379 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 406284064 is about 20156.4893768731. The cubic root of 406284064 is about 740.6447169266.

The spelling of 406284064 in words is "four hundred six million, two hundred eighty-four thousand, sixty-four".