689700 has 108 divisors (see below), whose sum is σ = 2308880. Its totient is φ = 158400.

The previous prime is 689699. The next prime is 689713. The reversal of 689700 is 7986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 15.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 36291 + ... + 36309.

2⁶⁸⁹⁷⁰⁰ is an apocalyptic number.

689700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154440).

689700 is an abundant number, since it is smaller than the sum of its proper divisors (1619180).

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

689700 is a wasteful number, since it uses less digits than its factorization.

689700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 689700 is about 830.4817878798. The cubic root of 689700 is about 88.3527507648.

The spelling of 689700 in words is "six hundred eighty-nine thousand, seven hundred".