9881404 has 12 divisors (see below), whose sum is σ = 18622744. Its totient is φ = 4560624.

The previous prime is 9881401. The next prime is 9881411. The reversal of 9881404 is 4041889.

It is a super-2 number, since 2×9881404² = 195284290022432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9881404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94962 + ... + 95065.

Almost surely, 2^9881404 is an apocalyptic number.

It is an amenable number.

9881404 is a deficient number, since it is larger than the sum of its proper divisors (8741340).

9881404 is a wasteful number, since it uses less digits than its factorization.

9881404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190044 (or 190042 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 9881404 is about 3143.4700571184. The cubic root of 9881404 is about 214.5883886158.

The spelling of 9881404 in words is "nine million, eight hundred eighty-one thousand, four hundred four".