699706 has 32 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 274560.

The previous prime is 699697. The next prime is 699709. The reversal of 699706 is 607996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13176 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2⁶⁹⁹⁷⁰⁶ is an apocalyptic number.

699706 is a deficient number, since it is larger than the sum of its proper divisors (606662).

699706 is a wasteful number, since it uses less digits than its factorization.

699706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 699706 is about 836.4843094763. The cubic root of 699706 is about 88.7779677775. Note that the first 3 decimals are identical.

The spelling of 699706 in words is "six hundred ninety-nine thousand, seven hundred six".