1428908748 has 48 divisors (see below), whose sum is σ = 3419598336. Its totient is φ = 464143680.

The previous prime is 1428908731. The next prime is 1428908749. The reversal of 1428908748 is 8478098241.

It is a super-2 number, since 2×1428908748² = 4083560420221855008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1428908748.

It is not an unprimeable number, because it can be changed into a prime (1428908749) 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, 235918 + ... + 241898.

It is an arithmetic number, because the mean of its divisors is an integer number (71241632).

Almost surely, 2^1428908748 is an apocalyptic number.

It is an amenable number.

1428908748 is an abundant number, since it is smaller than the sum of its proper divisors (1990689588).

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

1428908748 is a wasteful number, since it uses less digits than its factorization.

1428908748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494 (or 6492 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 1428908748 is about 37800.9093541412. The cubic root of 1428908748 is about 1126.3365180355.

The spelling of 1428908748 in words is "one billion, four hundred twenty-eight million, nine hundred eight thousand, seven hundred forty-eight".