699394 has 4 divisors (see below), whose sum is σ = 1049094. Its totient is φ = 349696.

The previous prime is 699383. The next prime is 699401. The reversal of 699394 is 493996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 18769 = 825^2 + 137^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174847 + ... + 174850.

2⁶⁹⁹³⁹⁴ is an apocalyptic number.

699394 is a deficient number, since it is larger than the sum of its proper divisors (349700).

699394 is a wasteful number, since it uses less digits than its factorization.

699394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349699.

The product of its digits is 52488, while the sum is 40.

The square root of 699394 is about 836.2977938510. The cubic root of 699394 is about 88.7647704042.

The spelling of 699394 in words is "six hundred ninety-nine thousand, three hundred ninety-four".