9941998 has 8 divisors (see below), whose sum is σ = 16268760. Its totient is φ = 4519080.

The previous prime is 9941977. The next prime is 9942007. The reversal of 9941998 is 8991499.

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

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, 225933 + ... + 225976.

It is an arithmetic number, because the mean of its divisors is an integer number (2033595).

Almost surely, 2^9941998 is an apocalyptic number.

9941998 is a deficient number, since it is larger than the sum of its proper divisors (6326762).

9941998 is a wasteful number, since it uses less digits than its factorization.

9941998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451922.

The product of its digits is 209952, while the sum is 49.

The square root of 9941998 is about 3153.0934017247. The cubic root of 9941998 is about 215.0261226597.

It can be divided in two parts, 994 and 1998, that added together give a palindrome (2992).

The spelling of 9941998 in words is "nine million, nine hundred forty-one thousand, nine hundred ninety-eight".