697863 has 4 divisors (see below), whose sum is σ = 930488. Its totient is φ = 465240.

The previous prime is 697831. The next prime is 697877. The reversal of 697863 is 368796.

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

It is not a de Polignac number, because 697863 - 2⁵ = 697831 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697063) 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, 116308 + ... + 116313.

It is an arithmetic number, because the mean of its divisors is an integer number (232622).

2⁶⁹⁷⁸⁶³ is an apocalyptic number.

697863 is a deficient number, since it is larger than the sum of its proper divisors (232625).

697863 is a wasteful number, since it uses less digits than its factorization.

697863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232624.

The product of its digits is 54432, while the sum is 39.

The square root of 697863 is about 835.3819485720. The cubic root of 697863 is about 88.6999532688.

The spelling of 697863 in words is "six hundred ninety-seven thousand, eight hundred sixty-three".