• 699808² = 489731236864 is an anagram of the next square 699809² = 489732636481.

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699808 has 24 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 331200.

The previous prime is 699793. The next prime is 699817. The reversal of 699808 is 808996.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2⁶⁹⁹⁸⁰⁸ 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 699808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

699808 is an abundant number, since it is smaller than the sum of its proper divisors (751712).

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

699808 is a wasteful number, since it uses less digits than its factorization.

699808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 699808 is about 836.5452767185. The cubic root of 699808 is about 88.7822814525.

The spelling of 699808 in words is "six hundred ninety-nine thousand, eight hundred eight".