698666912 has 12 divisors (see below), whose sum is σ = 1375500546. Its totient is φ = 349333440.

The previous prime is 698666897. The next prime is 698666963. The reversal of 698666912 is 219666896.

It can be written as a sum of positive squares in only one way, i.e., 635241616 + 63425296 = 25204^2 + 7964^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10916639 + ... + 10916702.

Almost surely, 2^698666912 is an apocalyptic number.

It is an amenable number.

698666912 is a deficient number, since it is larger than the sum of its proper divisors (676833634).

698666912 is a wasteful number, since it uses less digits than its factorization.

698666912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833351 (or 21833343 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 698666912 is about 26432.3081095844. The cubic root of 698666912 is about 887.3399987169.

The spelling of 698666912 in words is "six hundred ninety-eight million, six hundred sixty-six thousand, nine hundred twelve".