698497 has 8 divisors (see below), whose sum is σ = 744800. Its totient is φ = 653184.

The previous prime is 698491. The next prime is 698507. The reversal of 698497 is 794896.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698497 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (698491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 2032.

It is an arithmetic number, because the mean of its divisors is an integer number (93100).

2⁶⁹⁸⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

698497 is a deficient number, since it is larger than the sum of its proper divisors (46303).

698497 is a wasteful number, since it uses less digits than its factorization.

698497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 108864, while the sum is 43.

The square root of 698497 is about 835.7613295672. The cubic root of 698497 is about 88.7268060795.

The spelling of 698497 in words is "six hundred ninety-eight thousand, four hundred ninety-seven".