1428903849 has 8 divisors (see below), whose sum is σ = 1908627840. Its totient is φ = 950891216.

The previous prime is 1428903829. The next prime is 1428903877. The reversal of 1428903849 is 9483098241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428903849 - 2⁹ = 1428903337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428903798 and 1428903807.

It is not an unprimeable number, because it can be changed into a prime (1428903829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425889 + ... + 429230.

It is an arithmetic number, because the mean of its divisors is an integer number (238578480).

Almost surely, 2^1428903849 is an apocalyptic number.

It is an amenable number.

1428903849 is a deficient number, since it is larger than the sum of its proper divisors (479723991).

1428903849 is an equidigital number, since it uses as much as digits as its factorization.

1428903849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855679.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1428903849 is about 37800.8445540573. The cubic root of 1428903849 is about 1126.3352308227.

The spelling of 1428903849 in words is "one billion, four hundred twenty-eight million, nine hundred three thousand, eight hundred forty-nine".