9898967 has 4 divisors (see below), whose sum is σ = 10660440. Its totient is φ = 9137496.

The previous prime is 9898921. The next prime is 9898979. The reversal of 9898967 is 7698989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7698989 = 137 ⋅56197.

It is a cyclic number.

It is not a de Polignac number, because 9898967 - 2⁸ = 9898711 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898907) 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, 380717 + ... + 380742.

It is an arithmetic number, because the mean of its divisors is an integer number (2665110).

Almost surely, 2^9898967 is an apocalyptic number.

9898967 is a deficient number, since it is larger than the sum of its proper divisors (761473).

9898967 is a wasteful number, since it uses less digits than its factorization.

9898967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761472.

The product of its digits is 1959552, while the sum is 56.

The square root of 9898967 is about 3146.2623857523. The cubic root of 9898967 is about 214.7154483333.

The spelling of 9898967 in words is "nine million, eight hundred ninety-eight thousand, nine hundred sixty-seven".