11603398 has 4 divisors (see below), whose sum is σ = 17405100. Its totient is φ = 5801698.

The previous prime is 11603387. The next prime is 11603411. The reversal of 11603398 is 89330611.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2900848 + ... + 2900851.

It is an arithmetic number, because the mean of its divisors is an integer number (4351275).

Almost surely, 2^11603398 is an apocalyptic number.

11603398 is a deficient number, since it is larger than the sum of its proper divisors (5801702).

11603398 is an equidigital number, since it uses as much as digits as its factorization.

11603398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801701.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11603398 is about 3406.3760802354. The cubic root of 11603398 is about 226.3923406574.

The spelling of 11603398 in words is "eleven million, six hundred three thousand, three hundred ninety-eight".