11390 has 16 divisors (see below), whose sum is σ = 22032. Its totient is φ = 4224.

The previous prime is 11383. The next prime is 11393. The reversal of 11390 is 9311.

It is an Ulam number.

11390 is an undulating number in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 203.

It is an arithmetic number, because the mean of its divisors is an integer number (1377).

2¹¹³⁹⁰ is an apocalyptic number.

11390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11390 is a deficient number, since it is larger than the sum of its proper divisors (10642).

11390 is a wasteful number, since it uses less digits than its factorization.

11390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 11390 is about 106.7239429556. The cubic root of 11390 is about 22.4995884698.

The spelling of 11390 in words is "eleven thousand, three hundred ninety".