699712 has 42 divisors (see below), whose sum is σ = 1548638. Its totient is φ = 311808.

The previous prime is 699709. The next prime is 699719. The reversal of 699712 is 217996.

It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 665856 = 184^2 + 816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24114 + ... + 24142.

2⁶⁹⁹⁷¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774319).

699712 is an abundant number, since it is smaller than the sum of its proper divisors (848926).

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

699712 is a wasteful number, since it uses less digits than its factorization.

699712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 44 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 699712 is about 836.4878959076. The cubic root of 699712 is about 88.7782215347.

The spelling of 699712 in words is "six hundred ninety-nine thousand, seven hundred twelve".