698242 has 4 divisors (see below), whose sum is σ = 1047366. Its totient is φ = 349120.

The previous prime is 698239. The next prime is 698249. The reversal of 698242 is 242896.

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., 505521 + 192721 = 711^2 + 439^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174559 + ... + 174562.

2⁶⁹⁸²⁴² is an apocalyptic number.

698242 is a deficient number, since it is larger than the sum of its proper divisors (349124).

698242 is a wasteful number, since it uses less digits than its factorization.

698242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349123.

The product of its digits is 6912, while the sum is 31.

The square root of 698242 is about 835.6087601264. The cubic root of 698242 is about 88.7160076130.

The spelling of 698242 in words is "six hundred ninety-eight thousand, two hundred forty-two".