428327703 has 16 divisors (see below), whose sum is σ = 635040000. Its totient is φ = 285335640.

The previous prime is 428327639. The next prime is 428327723. The reversal of 428327703 is 307723824.

It is not a de Polignac number, because 428327703 - 2⁶ = 428327639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428327723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35548 + ... + 46046.

It is an arithmetic number, because the mean of its divisors is an integer number (39690000).

Almost surely, 2^428327703 is an apocalyptic number.

428327703 is a deficient number, since it is larger than the sum of its proper divisors (206712297).

428327703 is a wasteful number, since it uses less digits than its factorization.

428327703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019 (or 12013 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 428327703 is about 20696.0794113281. The cubic root of 428327703 is about 753.8044924837.

The spelling of 428327703 in words is "four hundred twenty-eight million, three hundred twenty-seven thousand, seven hundred three".