698228656 has 20 divisors (see below), whose sum is σ = 1375749000. Its totient is φ = 343196672.

The previous prime is 698228653. The next prime is 698228683. The reversal of 698228656 is 656822896.

It is not an unprimeable number, because it can be changed into a prime (698228653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368881 + ... + 370768.

It is an arithmetic number, because the mean of its divisors is an integer number (68787450).

Almost surely, 2^698228656 is an apocalyptic number.

It is an amenable number.

698228656 is a deficient number, since it is larger than the sum of its proper divisors (677520344).

698228656 is a wasteful number, since it uses less digits than its factorization.

698228656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739716 (or 739710 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 698228656 is about 26424.0166515237. The cubic root of 698228656 is about 887.1544246319.

The spelling of 698228656 in words is "six hundred ninety-eight million, two hundred twenty-eight thousand, six hundred fifty-six".