9898761 has 8 divisors (see below), whose sum is σ = 13302784. Its totient is φ = 6546960.

The previous prime is 9898723. The next prime is 9898769. The reversal of 9898761 is 1678989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9898761 - 2⁶ = 9898697 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9898761.

It is not an unprimeable number, because it can be changed into a prime (9898769) 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, 12610 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (1662848).

Almost surely, 2^9898761 is an apocalyptic number.

It is an amenable number.

9898761 is a deficient number, since it is larger than the sum of its proper divisors (3404023).

9898761 is a wasteful number, since it uses less digits than its factorization.

9898761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26111.

The product of its digits is 217728, while the sum is 48.

The square root of 9898761 is about 3146.2296483251. The cubic root of 9898761 is about 214.7139588954.

The spelling of 9898761 in words is "nine million, eight hundred ninety-eight thousand, seven hundred sixty-one".