11491408 has 20 divisors (see below), whose sum is σ = 22429120. Its totient is φ = 5703264.

The previous prime is 11491399. The next prime is 11491427. The reversal of 11491408 is 80419411.

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 in 3 ways as a sum of consecutive naturals, for example, 360 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (1121456).

Almost surely, 2^11491408 is an apocalyptic number.

It is an amenable number.

11491408 is a deficient number, since it is larger than the sum of its proper divisors (10937712).

11491408 is a wasteful number, since it uses less digits than its factorization.

11491408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11491408 is about 3389.8979335667. The cubic root of 11491408 is about 225.6616442044.

The spelling of 11491408 in words is "eleven million, four hundred ninety-one thousand, four hundred eight".