699066 has 24 divisors (see below), whose sum is σ = 1538784. Its totient is φ = 229320.

The previous prime is 699059. The next prime is 699073. The reversal of 699066 is 660996.

It is an interprime number because it is at equal distance from previous prime (699059) and next prime (699073).

It is a self number, because there is not a number n which added to its sum of digits gives 699066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (64116).

2⁶⁹⁹⁰⁶⁶ is an apocalyptic number.

699066 is an abundant number, since it is smaller than the sum of its proper divisors (839718).

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

699066 is a wasteful number, since it uses less digits than its factorization.

699066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 699066 is about 836.1016684590. The cubic root of 699066 is about 88.7508920098.

It can be divided in two parts, 6990 and 66, that added together give a square (7056 = 84²).

The spelling of 699066 in words is "six hundred ninety-nine thousand, sixty-six".