1430857842 has 8 divisors (see below), whose sum is σ = 2861715696. Its totient is φ = 476952612.

The previous prime is 1430857789. The next prime is 1430857859. The reversal of 1430857842 is 2487580341.

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

1430857842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1430857794 and 1430857803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119238148 + ... + 119238159.

It is an arithmetic number, because the mean of its divisors is an integer number (357714462).

Almost surely, 2^1430857842 is an apocalyptic number.

1430857842 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.

1430857842 is a wasteful number, since it uses less digits than its factorization.

1430857842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238476312.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1430857842 is about 37826.6816149659. The cubic root of 1430857842 is about 1126.8484094422.

The spelling of 1430857842 in words is "one billion, four hundred thirty million, eight hundred fifty-seven thousand, eight hundred forty-two".