11280394 has 16 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 5521824.

The previous prime is 11280377. The next prime is 11280397. The reversal of 11280394 is 49308211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11280397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22357 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (1080000).

Almost surely, 2^11280394 is an apocalyptic number.

11280394 is a deficient number, since it is larger than the sum of its proper divisors (5999606).

11280394 is a wasteful number, since it uses less digits than its factorization.

11280394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11280394 is about 3358.6297801336. The cubic root of 11280394 is about 224.2718452329.

The spelling of 11280394 in words is "eleven million, two hundred eighty thousand, three hundred ninety-four".