1428316860 has 24 divisors (see below), whose sum is σ = 3999287376. Its totient is φ = 380884480.

The previous prime is 1428316843. The next prime is 1428316861. The reversal of 1428316860 is 686138241.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428316861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902581 + ... + 11902700.

It is an arithmetic number, because the mean of its divisors is an integer number (166636974).

Almost surely, 2^1428316860 is an apocalyptic number.

1428316860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428316860 is an abundant number, since it is smaller than the sum of its proper divisors (2570970516).

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

1428316860 is a wasteful number, since it uses less digits than its factorization.

1428316860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23805293 (or 23805291 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1428316860 is about 37793.0795252252. The cubic root of 1428316860 is about 1126.1809780962.

The spelling of 1428316860 in words is "one billion, four hundred twenty-eight million, three hundred sixteen thousand, eight hundred sixty".