898666898 has 4 divisors (see below), whose sum is σ = 1348000350. Its totient is φ = 449333448.

The previous prime is 898666897. The next prime is 898666919.

898666898 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 746218489 + 152448409 = 27317^2 + 12347^2 .

It is not an unprimeable number, because it can be changed into a prime (898666891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224666723 + ... + 224666726.

Almost surely, 2^898666898 is an apocalyptic number.

898666898 is a deficient number, since it is larger than the sum of its proper divisors (449333452).

898666898 is a wasteful number, since it uses less digits than its factorization.

898666898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449333451.

The product of its digits is 71663616, while the sum is 68.

The square root of 898666898 is about 29977.7733996373. The cubic root of 898666898 is about 965.0124468850.

The spelling of 898666898 in words is "eight hundred ninety-eight million, six hundred sixty-six thousand, eight hundred ninety-eight".