699080 has 16 divisors (see below), whose sum is σ = 1573020. Its totient is φ = 279616.

The previous prime is 699077. The next prime is 699089. The reversal of 699080 is 80996.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 68644 = 794^2 + 262^2 .

It is not an unprimeable number, because it can be changed into a prime (699089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699 + ... + 8778.

2⁶⁹⁹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

699080 is an abundant number, since it is smaller than the sum of its proper divisors (873940).

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

699080 is a wasteful number, since it uses less digits than its factorization.

699080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488 (or 17484 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 699080 is about 836.1100406047. The cubic root of 699080 is about 88.7514844690.

The spelling of 699080 in words is "six hundred ninety-nine thousand, eighty".