1428827630 has 8 divisors (see below), whose sum is σ = 2571889752. Its totient is φ = 571531048.

The previous prime is 1428827599. The next prime is 1428827657. The reversal of 1428827630 is 367288241.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71441372 + ... + 71441391.

It is an arithmetic number, because the mean of its divisors is an integer number (321486219).

Almost surely, 2^1428827630 is an apocalyptic number.

1428827630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428827630 is a deficient number, since it is larger than the sum of its proper divisors (1143062122).

1428827630 is a wasteful number, since it uses less digits than its factorization.

1428827630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142882770.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1428827630 is about 37799.8363753072. The cubic root of 1428827630 is about 1126.3152038929.

The spelling of 1428827630 in words is "one billion, four hundred twenty-eight million, eight hundred twenty-seven thousand, six hundred thirty".