698613 has 4 divisors (see below), whose sum is σ = 931488. Its totient is φ = 465740.

The previous prime is 698591. The next prime is 698641. The reversal of 698613 is 316896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 698613 - 2¹⁴ = 682229 is a prime.

It is an Ulam number.

It is a D-number.

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 698613.

It is not an unprimeable number, because it can be changed into a prime (698653) 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 3 ways as a sum of consecutive naturals, for example, 116433 + ... + 116438.

It is an arithmetic number, because the mean of its divisors is an integer number (232872).

2⁶⁹⁸⁶¹³ is an apocalyptic number.

It is an amenable number.

698613 is a deficient number, since it is larger than the sum of its proper divisors (232875).

698613 is a wasteful number, since it uses less digits than its factorization.

698613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232874.

The product of its digits is 7776, while the sum is 33.

The square root of 698613 is about 835.8307244891. The cubic root of 698613 is about 88.7317174534.

The spelling of 698613 in words is "six hundred ninety-eight thousand, six hundred thirteen".