1428987048 has 16 divisors (see below), whose sum is σ = 3572467680. Its totient is φ = 476329008.

The previous prime is 1428987047. The next prime is 1428987061. The reversal of 1428987048 is 8407898241.

It is not an unprimeable number, because it can be changed into a prime (1428987041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29770540 + ... + 29770587.

It is an arithmetic number, because the mean of its divisors is an integer number (223279230).

Almost surely, 2^1428987048 is an apocalyptic number.

It is an amenable number.

1428987048 is an abundant number, since it is smaller than the sum of its proper divisors (2143480632).

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

1428987048 is a wasteful number, since it uses less digits than its factorization.

1428987048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59541136 (or 59541132 counting only the distinct ones).

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

The square root of 1428987048 is about 37801.9450293236. The cubic root of 1428987048 is about 1126.3570909701.

The spelling of 1428987048 in words is "one billion, four hundred twenty-eight million, nine hundred eighty-seven thousand, forty-eight".