9917404 has 18 divisors (see below), whose sum is σ = 20189400. Its totient is φ = 4250232.

The previous prime is 9917399. The next prime is 9917419. The reversal of 9917404 is 4047199.

It is a self number, because there is not a number n which added to its sum of digits gives 9917404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25104 + ... + 25495.

Almost surely, 2^9917404 is an apocalyptic number.

It is an amenable number.

9917404 is an abundant number, since it is smaller than the sum of its proper divisors (10271996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9917404 is a wasteful number, since it uses less digits than its factorization.

9917404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50617 (or 50608 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 9917404 is about 3149.1910072271. The cubic root of 9917404 is about 214.8486694239.

The spelling of 9917404 in words is "nine million, nine hundred seventeen thousand, four hundred four".