699216 has 40 divisors (see below), whose sum is σ = 2065344. Its totient is φ = 199680.

The previous prime is 699211. The next prime is 699217. The reversal of 699216 is 612996.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699211) 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, 705 + ... + 1376.

2⁶⁹⁹²¹⁶ is an apocalyptic number.

It is an amenable number.

699216 is an abundant number, since it is smaller than the sum of its proper divisors (1366128).

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

699216 is a wasteful number, since it uses less digits than its factorization.

699216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2093 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 699216 is about 836.1913656574. The cubic root of 699216 is about 88.7572393751.

The spelling of 699216 in words is "six hundred ninety-nine thousand, two hundred sixteen".