699999994 has 8 divisors (see below), whose sum is σ = 1050497748. Its totient is φ = 349834080.

The previous prime is 699999953. The next prime is 700000001. The reversal of 699999994 is 499999996.

It can be written as a sum of positive squares in 2 ways, for example, as 470325969 + 229674025 = 21687^2 + 15155^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77617 + ... + 86164.

Almost surely, 2^699999994 is an apocalyptic number.

699999994 is a deficient number, since it is larger than the sum of its proper divisors (350497754).

699999994 is a wasteful number, since it uses less digits than its factorization.

699999994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165920.

The product of its digits is 114791256, while the sum is 73.

The square root of 699999994 is about 26457.5129972566. The cubic root of 699999994 is about 887.9039992057.

It can be divided in two parts, 6 and 99999994, that added together give a 8-th power (100000000 = 10⁸).

The spelling of 699999994 in words is "six hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".