1428970782 has 8 divisors (see below), whose sum is σ = 2857941576. Its totient is φ = 476323592.

The previous prime is 1428970733. The next prime is 1428970799. The reversal of 1428970782 is 2870798241.

It is a sphenic number, since it is the product of 3 distinct primes.

1428970782 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119080893 + ... + 119080904.

It is an arithmetic number, because the mean of its divisors is an integer number (357242697).

Almost surely, 2^1428970782 is an apocalyptic number.

1428970782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1428970782 is a wasteful number, since it uses less digits than its factorization.

1428970782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238161802.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1428970782 is about 37801.7298810517. The cubic root of 1428970782 is about 1126.3528172215.

The spelling of 1428970782 in words is "one billion, four hundred twenty-eight million, nine hundred seventy thousand, seven hundred eighty-two".