1428936912 has 180 divisors, whose sum is σ = 4396620384. Its totient is φ = 432956160.

The previous prime is 1428936889. The next prime is 1428936931. The reversal of 1428936912 is 2196398241.

1428936912 is a `hidden beast` number, since 1 + 4 + 289 + 369 + 1 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1727443 + ... + 1728269.

Almost surely, 2^1428936912 is an apocalyptic number.

1428936912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428936912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198310192).

1428936912 is an abundant number, since it is smaller than the sum of its proper divisors (2967683472).

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

1428936912 is a wasteful number, since it uses less digits than its factorization.

1428936912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 916 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1428936912 is about 37801.2818830261. The cubic root of 1428936912 is about 1126.3439180726.

The spelling of 1428936912 in words is "one billion, four hundred twenty-eight million, nine hundred thirty-six thousand, nine hundred twelve".