9998270 has 16 divisors (see below), whose sum is σ = 18128880. Its totient is φ = 3969984.

The previous prime is 9998249. The next prime is 9998273. The reversal of 9998270 is 728999.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998273) 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, 2207 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (1133055).

Almost surely, 2^9998270 is an apocalyptic number.

9998270 is a deficient number, since it is larger than the sum of its proper divisors (8130610).

9998270 is a wasteful number, since it uses less digits than its factorization.

9998270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 9998270 is about 3162.0041113193. The cubic root of 9998270 is about 215.4310443800.

The spelling of 9998270 in words is "nine million, nine hundred ninety-eight thousand, two hundred seventy".