9898057 has 4 divisors (see below), whose sum is σ = 10659460. Its totient is φ = 9136656.

The previous prime is 9898003. The next prime is 9898081. The reversal of 9898057 is 7508989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7508989 = 59 ⋅127271.

It can be written as a sum of positive squares in 2 ways, for example, as 6130576 + 3767481 = 2476^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 9898057 - 2⁷ = 9897929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9897998 and 9898016.

It is not an unprimeable number, because it can be changed into a prime (9898087) 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, 380682 + ... + 380707.

It is an arithmetic number, because the mean of its divisors is an integer number (2664865).

Almost surely, 2^9898057 is an apocalyptic number.

It is an amenable number.

9898057 is a deficient number, since it is larger than the sum of its proper divisors (761403).

9898057 is a wasteful number, since it uses less digits than its factorization.

9898057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761402.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 9898057 is about 3146.1177663908. The cubic root of 9898057 is about 214.7088686216.

The spelling of 9898057 in words is "nine million, eight hundred ninety-eight thousand, fifty-seven".