699946 has 8 divisors (see below), whose sum is σ = 1130724. Its totient is φ = 323040.

The previous prime is 699943. The next prime is 699947. The reversal of 699946 is 649996.

It is a happy number.

699946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 19321 = 825^2 + 139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (699943) 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, 13435 + ... + 13486.

2⁶⁹⁹⁹⁴⁶ is an apocalyptic number.

699946 is a deficient number, since it is larger than the sum of its proper divisors (430778).

699946 is a wasteful number, since it uses less digits than its factorization.

699946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26936.

The product of its digits is 104976, while the sum is 43.

The square root of 699946 is about 836.6277547392. The cubic root of 699946 is about 88.7881169338.

The spelling of 699946 in words is "six hundred ninety-nine thousand, nine hundred forty-six".