9918349 has 8 divisors (see below), whose sum is σ = 11436480. Its totient is φ = 8425536.

The previous prime is 9918317. The next prime is 9918353. The reversal of 9918349 is 9438199.

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

It is not a de Polignac number, because 9918349 - 2⁵ = 9918317 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9918379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5479 + ... + 7060.

It is an arithmetic number, because the mean of its divisors is an integer number (1429560).

Almost surely, 2^9918349 is an apocalyptic number.

It is an amenable number.

9918349 is a deficient number, since it is larger than the sum of its proper divisors (1518131).

9918349 is a wasteful number, since it uses less digits than its factorization.

9918349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659.

The product of its digits is 69984, while the sum is 43.

The square root of 9918349 is about 3149.3410421864. The cubic root of 9918349 is about 214.8554933045.

The spelling of 9918349 in words is "nine million, nine hundred eighteen thousand, three hundred forty-nine".