698817964 has 24 divisors (see below), whose sum is σ = 1352601488. Its totient is φ = 313813440.

The previous prime is 698817961. The next prime is 698817979. The reversal of 698817964 is 469718896.

It is a junction number, because it is equal to n+sod(n) for n = 698817899 and 698817908.

It is not an unprimeable number, because it can be changed into a prime (698817961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179682 + ... + 183529.

Almost surely, 2^698817964 is an apocalyptic number.

It is an amenable number.

698817964 is a deficient number, since it is larger than the sum of its proper divisors (653783524).

698817964 is a wasteful number, since it uses less digits than its factorization.

698817964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363265 (or 363263 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 698817964 is about 26435.1652917095. The cubic root of 698817964 is about 887.4039418353.

The spelling of 698817964 in words is "six hundred ninety-eight million, eight hundred seventeen thousand, nine hundred sixty-four".