1428758248 has 16 divisors (see below), whose sum is σ = 2741222880. Its totient is φ = 697765488.

The previous prime is 1428758237. The next prime is 1428758297. The reversal of 1428758248 is 8428578241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076340 + ... + 2077027.

It is an arithmetic number, because the mean of its divisors is an integer number (171326430).

Almost surely, 2^1428758248 is an apocalyptic number.

It is an amenable number.

1428758248 is a deficient number, since it is larger than the sum of its proper divisors (1312464632).

1428758248 is a wasteful number, since it uses less digits than its factorization.

1428758248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153416 (or 4153412 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 49.

The square root of 1428758248 is about 37798.9186088703. The cubic root of 1428758248 is about 1126.2969728003.

The spelling of 1428758248 in words is "one billion, four hundred twenty-eight million, seven hundred fifty-eight thousand, two hundred forty-eight".