693798 has 16 divisors (see below), whose sum is σ = 1585920. Its totient is φ = 198216.

The previous prime is 693793. The next prime is 693799. The reversal of 693798 is 897396.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 16519 = 693798 / (6 + 9 + 3 + 7 + 9 + 8).

It is a Curzon number.

It is a nialpdrome in base 15.

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 693798.

It is not an unprimeable number, because it can be changed into a prime (693793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8218 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (99120).

2⁶⁹³⁷⁹⁸ is an apocalyptic number.

693798 is an abundant number, since it is smaller than the sum of its proper divisors (892122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693798 is a wasteful number, since it uses less digits than its factorization.

693798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16531.

The product of its digits is 81648, while the sum is 42.

The square root of 693798 is about 832.9453763603. The cubic root of 693798 is about 88.5273942454.

The spelling of 693798 in words is "six hundred ninety-three thousand, seven hundred ninety-eight".