1428571382 has 24 divisors (see below), whose sum is σ = 2503731384. Its totient is φ = 609538272.

The previous prime is 1428571379. The next prime is 1428571409. The reversal of 1428571382 is 2831758241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9863 + ... + 54354.

It is an arithmetic number, because the mean of its divisors is an integer number (104322141).

Almost surely, 2^1428571382 is an apocalyptic number.

1428571382 is a deficient number, since it is larger than the sum of its proper divisors (1075160002).

1428571382 is a wasteful number, since it uses less digits than its factorization.

1428571382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64460 (or 64453 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 1428571382 is about 37796.4466848406. The cubic root of 1428571382 is about 1126.2478682050.

The spelling of 1428571382 in words is "one billion, four hundred twenty-eight million, five hundred seventy-one thousand, three hundred eighty-two".