1870006842 has 36 divisors (see below), whose sum is σ = 4453506330. Its totient is φ = 566668080.

The previous prime is 1870006799. The next prime is 1870006861. The reversal of 1870006842 is 2486000781.

It can be written as a sum of positive squares in only one way, i.e., 1831925601 + 38081241 = 42801^2 + 6171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1870006797 and 1870006806.

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 17 ways as a sum of consecutive naturals, for example, 427117 + ... + 431472.

Almost surely, 2^1870006842 is an apocalyptic number.

1870006842 is an abundant number, since it is smaller than the sum of its proper divisors (2583499488).

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

1870006842 is a wasteful number, since it uses less digits than its factorization.

1870006842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858619 (or 858605 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1870006842 is about 43243.5757309684. The cubic root of 1870006842 is about 1232.0104697240.

The spelling of 1870006842 in words is "one billion, eight hundred seventy million, six thousand, eight hundred forty-two".