989698 has 4 divisors (see below), whose sum is σ = 1484550. Its totient is φ = 494848.

The previous prime is 989687. The next prime is 989719. The reversal of 989698 is 896989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896989 = 163 ⋅5503.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 23409 = 983^2 + 153^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247423 + ... + 247426.

2⁹⁸⁹⁶⁹⁸ is an apocalyptic number.

989698 is a deficient number, since it is larger than the sum of its proper divisors (494852).

989698 is a wasteful number, since it uses less digits than its factorization.

989698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494851.

The product of its digits is 279936, while the sum is 49.

The square root of 989698 is about 994.8356648211. The cubic root of 989698 is about 99.6554139685.

The spelling of 989698 in words is "nine hundred eighty-nine thousand, six hundred ninety-eight".