9943898 has 16 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 4776336.

The previous prime is 9943883. The next prime is 9943903. The reversal of 9943898 is 8983499.

It is a super-2 number, since 2×9943898² = 197762214868808, which contains 22 as substring.

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, 5333 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^9943898 is an apocalyptic number.

9943898 is a deficient number, since it is larger than the sum of its proper divisors (5569222).

9943898 is a wasteful number, since it uses less digits than its factorization.

9943898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its digits is 559872, while the sum is 50.

The square root of 9943898 is about 3153.3946787549. The cubic root of 9943898 is about 215.0398195582.

The spelling of 9943898 in words is "nine million, nine hundred forty-three thousand, eight hundred ninety-eight".