698807 has 4 divisors (see below), whose sum is σ = 703416. Its totient is φ = 694200.

The previous prime is 698779. The next prime is 698821. The reversal of 698807 is 708896.

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

It is a cyclic number.

It is not a de Polignac number, because 698807 - 2¹⁶ = 633271 is a prime.

It is a Duffinian 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 698807.

It is not an unprimeable number, because it can be changed into a prime (698827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 2382.

It is an arithmetic number, because the mean of its divisors is an integer number (175854).

2⁶⁹⁸⁸⁰⁷ is an apocalyptic number.

698807 is a deficient number, since it is larger than the sum of its proper divisors (4609).

698807 is a wasteful number, since it uses less digits than its factorization.

698807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 698807 is about 835.9467686402. The cubic root of 698807 is about 88.7399300880.

The spelling of 698807 in words is "six hundred ninety-eight thousand, eight hundred seven".