842886706 has 4 divisors (see below), whose sum is σ = 1264330062. Its totient is φ = 421443352.

The previous prime is 842886697. The next prime is 842886739. The reversal of 842886706 is 607688248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 460488681 + 382398025 = 21459^2 + 19555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 842886706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210721675 + ... + 210721678.

Almost surely, 2^842886706 is an apocalyptic number.

842886706 is a deficient number, since it is larger than the sum of its proper divisors (421443356).

842886706 is a wasteful number, since it uses less digits than its factorization.

842886706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421443355.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 842886706 is about 29032.5111900435. The cubic root of 842886706 is about 944.6184012129.

The spelling of 842886706 in words is "eight hundred forty-two million, eight hundred eighty-six thousand, seven hundred six".