698504 has 8 divisors (see below), whose sum is σ = 1309710. Its totient is φ = 349248.

The previous prime is 698491. The next prime is 698507. The reversal of 698504 is 405896.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 9604 = 830^2 + 98^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698504.

It is not an unprimeable number, because it can be changed into a prime (698507) 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 as a sum of consecutive naturals, namely, 43649 + ... + 43664.

2⁶⁹⁸⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

698504 is a deficient number, since it is larger than the sum of its proper divisors (611206).

698504 is a wasteful number, since it uses less digits than its factorization.

698504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87319 (or 87315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 698504 is about 835.7655173552. The cubic root of 698504 is about 88.7271024709.

The spelling of 698504 in words is "six hundred ninety-eight thousand, five hundred four".