9850881 has 4 divisors (see below), whose sum is σ = 13134512. Its totient is φ = 6567252.

The previous prime is 9850861. The next prime is 9850889. The reversal of 9850881 is 1880589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9850881 - 2⁵ = 9850849 is a prime.

It is a super-2 number, since 2×9850881² = 194079712952322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9850889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641811 + ... + 1641816.

It is an arithmetic number, because the mean of its divisors is an integer number (3283628).

It is a Proth number, since it is equal to 2405 ⋅ 2¹² + 1 and 2405 < 2¹².

Almost surely, 2^9850881 is an apocalyptic number.

It is an amenable number.

9850881 is a deficient number, since it is larger than the sum of its proper divisors (3283631).

9850881 is a wasteful number, since it uses less digits than its factorization.

9850881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283630.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 9850881 is about 3138.6113171274. The cubic root of 9850881 is about 214.3672109697.

It can be divided in two parts, 98508 and 81, that added together give a palindrome (98589).

The spelling of 9850881 in words is "nine million, eight hundred fifty thousand, eight hundred eighty-one".