11091398 has 8 divisors (see below), whose sum is σ = 17210880. Its totient is φ = 5354440.

The previous prime is 11091371. The next prime is 11091413. The reversal of 11091398 is 89319011.

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

It is a congruent number.

It is an unprimeable number.

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, 95558 + ... + 95673.

It is an arithmetic number, because the mean of its divisors is an integer number (2151360).

Almost surely, 2^11091398 is an apocalyptic number.

11091398 is a deficient number, since it is larger than the sum of its proper divisors (6119482).

11091398 is a wasteful number, since it uses less digits than its factorization.

11091398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191262.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11091398 is about 3330.3750539541. The cubic root of 11091398 is about 223.0122725119.

The spelling of 11091398 in words is "eleven million, ninety-one thousand, three hundred ninety-eight".