694941608 has 16 divisors (see below), whose sum is σ = 1304307060. Its totient is φ = 347126400.

The previous prime is 694941557. The next prime is 694941617. The reversal of 694941608 is 806149496.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 606242884 + 88698724 = 24622^2 + 9418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34373 + ... + 50708.

Almost surely, 2^694941608 is an apocalyptic number.

It is an amenable number.

694941608 is a deficient number, since it is larger than the sum of its proper divisors (609365452).

694941608 is a wasteful number, since it uses less digits than its factorization.

694941608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86108 (or 86104 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 694941608 is about 26361.7451622612. The cubic root of 694941608 is about 885.7600832867.

The spelling of 694941608 in words is "six hundred ninety-four million, nine hundred forty-one thousand, six hundred eight".