698942 has 4 divisors (see below), whose sum is σ = 1048416. Its totient is φ = 349470.

The previous prime is 698939. The next prime is 698977. The reversal of 698942 is 249896.

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

It is a junction number, because it is equal to n+sod(n) for n = 698896 and 698905.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698942.

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 as a sum of consecutive naturals, namely, 174734 + ... + 174737.

It is an arithmetic number, because the mean of its divisors is an integer number (262104).

2⁶⁹⁸⁹⁴² is an apocalyptic number.

698942 is a deficient number, since it is larger than the sum of its proper divisors (349474).

698942 is a wasteful number, since it uses less digits than its factorization.

698942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349473.

The product of its digits is 31104, while the sum is 38.

The square root of 698942 is about 836.0275115090. The cubic root of 698942 is about 88.7456441689.

It can be divided in two parts, 69894 and 2, that added together give a palindrome (69896).

The spelling of 698942 in words is "six hundred ninety-eight thousand, nine hundred forty-two".