9998754 has 32 divisors (see below), whose sum is σ = 21534336. Its totient is φ = 3083520.

The previous prime is 9998753. The next prime is 9998777. The reversal of 9998754 is 4578999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9998697 and 9998706.

It is not an unprimeable number, because it can be changed into a prime (9998753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5419 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (672948).

Almost surely, 2^9998754 is an apocalyptic number.

9998754 is an abundant number, since it is smaller than the sum of its proper divisors (11535582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998754 is a wasteful number, since it uses less digits than its factorization.

9998754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 816480, while the sum is 51.

The square root of 9998754 is about 3162.0806441329. The cubic root of 9998754 is about 215.4345205461.

The spelling of 9998754 in words is "nine million, nine hundred ninety-eight thousand, seven hundred fifty-four".