1428456306 has 32 divisors (see below), whose sum is σ = 2963361600. Its totient is φ = 458498880.

The previous prime is 1428456269. The next prime is 1428456307. The reversal of 1428456306 is 6036548241.

It is not an unprimeable number, because it can be changed into a prime (1428456307) 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 in 15 ways as a sum of consecutive naturals, for example, 55116 + ... + 76776.

It is an arithmetic number, because the mean of its divisors is an integer number (92605050).

Almost surely, 2^1428456306 is an apocalyptic number.

1428456306 is an abundant number, since it is smaller than the sum of its proper divisors (1534905294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428456306 is a wasteful number, since it uses less digits than its factorization.

1428456306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22074.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 1428456306 is about 37794.9243417684. The cubic root of 1428456306 is about 1126.2176264354.

The spelling of 1428456306 in words is "one billion, four hundred twenty-eight million, four hundred fifty-six thousand, three hundred six".