870843426 has 16 divisors (see below), whose sum is σ = 1765546464. Its totient is φ = 286304544.

The previous prime is 870843419. The next prime is 870843443. The reversal of 870843426 is 624348078.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993676 + ... + 994551.

It is an arithmetic number, because the mean of its divisors is an integer number (110346654).

Almost surely, 2^870843426 is an apocalyptic number.

870843426 is an abundant number, since it is smaller than the sum of its proper divisors (894703038).

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

870843426 is a wasteful number, since it uses less digits than its factorization.

870843426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988305.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 870843426 is about 29510.0563537246. The cubic root of 870843426 is about 954.9486649489.

The spelling of 870843426 in words is "eight hundred seventy million, eight hundred forty-three thousand, four hundred twenty-six".