11398646 has 16 divisors (see below), whose sum is σ = 19587744. Its totient is φ = 4873344.

The previous prime is 11398637. The next prime is 11398679. The reversal of 11398646 is 64689311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7616 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (1224234).

Almost surely, 2^11398646 is an apocalyptic number.

11398646 is a deficient number, since it is larger than the sum of its proper divisors (8189098).

11398646 is a wasteful number, since it uses less digits than its factorization.

11398646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its digits is 31104, while the sum is 38.

The square root of 11398646 is about 3376.1880871776. The cubic root of 11398646 is about 225.0528007770.

The spelling of 11398646 in words is "eleven million, three hundred ninety-eight thousand, six hundred forty-six".