870698 has 4 divisors (see below), whose sum is σ = 1306050. Its totient is φ = 435348.

The previous prime is 870691. The next prime is 870703. The reversal of 870698 is 896078.

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., 851929 + 18769 = 923^2 + 137^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870698.

It is not an unprimeable number, because it can be changed into a prime (870691) by changing a digit.

870698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217673 + ... + 217676.

2⁸⁷⁰⁶⁹⁸ is an apocalyptic number.

870698 is a deficient number, since it is larger than the sum of its proper divisors (435352).

870698 is a wasteful number, since it uses less digits than its factorization.

870698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435351.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 870698 is about 933.1119975651. Note that the first 3 decimals coincide. The cubic root of 870698 is about 95.4895504954.

The spelling of 870698 in words is "eight hundred seventy thousand, six hundred ninety-eight".