693448690 has 16 divisors (see below), whose sum is σ = 1361681280. Its totient is φ = 252163120.

The previous prime is 693448687. The next prime is 693448697. The reversal of 693448690 is 96844396.

693448690 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×693448690² = 961742171325432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (693448697) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3151930 + ... + 3152149.

It is an arithmetic number, because the mean of its divisors is an integer number (85105080).

Almost surely, 2^693448690 is an apocalyptic number.

693448690 is a deficient number, since it is larger than the sum of its proper divisors (668232590).

693448690 is a wasteful number, since it uses less digits than its factorization.

693448690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304097.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 693448690 is about 26333.4139450243. The cubic root of 693448690 is about 885.1253463919.

The spelling of 693448690 in words is "six hundred ninety-three million, four hundred forty-eight thousand, six hundred ninety".