698611 has 8 divisors (see below), whose sum is σ = 745920. Its totient is φ = 652392.

The previous prime is 698591. The next prime is 698641. The reversal of 698611 is 116896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 698611 - 2⁷ = 698483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698641) by changing a digit.

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, 1356 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2⁶⁹⁸⁶¹¹ is an apocalyptic number.

698611 is a deficient number, since it is larger than the sum of its proper divisors (47309).

698611 is a wasteful number, since it uses less digits than its factorization.

698611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 2592, while the sum is 31.

The square root of 698611 is about 835.8295280738. The cubic root of 698611 is about 88.7316327791.

The spelling of 698611 in words is "six hundred ninety-eight thousand, six hundred eleven".