9981754 has 16 divisors (see below), whose sum is σ = 15954408. Its totient is φ = 4667392.

The previous prime is 9981739. The next prime is 9981779. The reversal of 9981754 is 4571899.

9981754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9162729 + 819025 = 3027^2 + 905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9981754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5034 + ... + 6730.

Almost surely, 2^9981754 is an apocalyptic number.

9981754 is a deficient number, since it is larger than the sum of its proper divisors (5972654).

9981754 is a wasteful number, since it uses less digits than its factorization.

9981754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its digits is 90720, while the sum is 43.

The square root of 9981754 is about 3159.3913970890. The cubic root of 9981754 is about 215.3123565104.

The spelling of 9981754 in words is "nine million, nine hundred eighty-one thousand, seven hundred fifty-four".