696620818 has 8 divisors (see below), whose sum is σ = 1054178748. Its totient is φ = 345227904.

The previous prime is 696620797. The next prime is 696620857. The reversal of 696620818 is 818026696.

It can be written as a sum of positive squares in 2 ways, for example, as 528218289 + 168402529 = 22983^2 + 12977^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540971 + ... + 1541422.

Almost surely, 2^696620818 is an apocalyptic number.

696620818 is a deficient number, since it is larger than the sum of its proper divisors (357557930).

696620818 is a wasteful number, since it uses less digits than its factorization.

696620818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082508.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 696620818 is about 26393.5753167319. The cubic root of 696620818 is about 886.4729397237.

The spelling of 696620818 in words is "six hundred ninety-six million, six hundred twenty thousand, eight hundred eighteen".