1428301686 has 48 divisors (see below), whose sum is σ = 3327588864. Its totient is φ = 407521296.

The previous prime is 1428301673. The next prime is 1428301703. The reversal of 1428301686 is 6861038241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239011 + ... + 244913.

It is an arithmetic number, because the mean of its divisors is an integer number (69324768).

Almost surely, 2^1428301686 is an apocalyptic number.

1428301686 is an abundant number, since it is smaller than the sum of its proper divisors (1899287178).

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

1428301686 is a wasteful number, since it uses less digits than its factorization.

1428301686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6738 counting only the distinct ones).

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

The square root of 1428301686 is about 37792.8787736526. The cubic root of 1428301686 is about 1126.1769900151.

The spelling of 1428301686 in words is "one billion, four hundred twenty-eight million, three hundred one thousand, six hundred eighty-six".