9961886 has 8 divisors (see below), whose sum is σ = 16301304. Its totient is φ = 4528120.

The previous prime is 9961879. The next prime is 9961907. The reversal of 9961886 is 6881699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9961886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226385 + ... + 226428.

It is an arithmetic number, because the mean of its divisors is an integer number (2037663).

Almost surely, 2^9961886 is an apocalyptic number.

9961886 is a deficient number, since it is larger than the sum of its proper divisors (6339418).

9961886 is a wasteful number, since it uses less digits than its factorization.

9961886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452826.

The product of its digits is 186624, while the sum is 47.

The square root of 9961886 is about 3156.2455544523. The cubic root of 9961886 is about 215.1694067749.

It can be divided in two parts, 996 and 1886, that added together give a palindrome (2882).

The spelling of 9961886 in words is "nine million, nine hundred sixty-one thousand, eight hundred eighty-six".