699447346 has 16 divisors (see below), whose sum is σ = 1168839000. Its totient is φ = 311689728.

The previous prime is 699447299. The next prime is 699447347. The reversal of 699447346 is 643744996.

It can be written as a sum of positive squares in 4 ways, for example, as 510082225 + 189365121 = 22585^2 + 13761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 699447293 and 699447302.

It is not an unprimeable number, because it can be changed into a prime (699447347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463071 + ... + 464578.

Almost surely, 2^699447346 is an apocalyptic number.

699447346 is a deficient number, since it is larger than the sum of its proper divisors (469391654).

699447346 is a wasteful number, since it uses less digits than its factorization.

699447346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927693.

The product of its digits is 3919104, while the sum is 52.

The square root of 699447346 is about 26447.0668695037. The cubic root of 699447346 is about 887.6702717937.

The spelling of 699447346 in words is "six hundred ninety-nine million, four hundred forty-seven thousand, three hundred forty-six".