11198439 has 32 divisors (see below), whose sum is σ = 19120640. Its totient is φ = 6345216.

The previous prime is 11198431. The next prime is 11198449. The reversal of 11198439 is 93489111.

It is not a de Polignac number, because 11198439 - 2³ = 11198431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36324 + ... + 36630.

It is an arithmetic number, because the mean of its divisors is an integer number (597520).

Almost surely, 2^11198439 is an apocalyptic number.

11198439 is a deficient number, since it is larger than the sum of its proper divisors (7922201).

11198439 is a wasteful number, since it uses less digits than its factorization.

11198439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 11198439 is about 3346.4068790271. The cubic root of 11198439 is about 223.7273934486.

The spelling of 11198439 in words is "eleven million, one hundred ninety-eight thousand, four hundred thirty-nine".