11840398 has 8 divisors (see below), whose sum is σ = 18805392. Its totient is φ = 5571936.

The previous prime is 11840393. The next prime is 11840429. The reversal of 11840398 is 89304811.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 348247 = 11840398 / (1 + 1 + 8 + 4 + 0 + 3 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840393) 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, 174090 + ... + 174157.

It is an arithmetic number, because the mean of its divisors is an integer number (2350674).

Almost surely, 2^11840398 is an apocalyptic number.

11840398 is a deficient number, since it is larger than the sum of its proper divisors (6964994).

11840398 is a wasteful number, since it uses less digits than its factorization.

11840398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348266.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11840398 is about 3440.9879395313. The cubic root of 11840398 is about 227.9233224255.

The spelling of 11840398 in words is "eleven million, eight hundred forty thousand, three hundred ninety-eight".