11784398 has 4 divisors (see below), whose sum is σ = 17676600. Its totient is φ = 5892198.

The previous prime is 11784397. The next prime is 11784413. The reversal of 11784398 is 89348711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11784397) 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 as a sum of consecutive naturals, namely, 2946098 + ... + 2946101.

It is an arithmetic number, because the mean of its divisors is an integer number (4419150).

Almost surely, 2^11784398 is an apocalyptic number.

11784398 is a deficient number, since it is larger than the sum of its proper divisors (5892202).

11784398 is an equidigital number, since it uses as much as digits as its factorization.

11784398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892201.

The product of its digits is 48384, while the sum is 41.

The square root of 11784398 is about 3432.8410974002. The cubic root of 11784398 is about 227.5634279530.

The spelling of 11784398 in words is "eleven million, seven hundred eighty-four thousand, three hundred ninety-eight".