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11490 = 235383

11490 has 16 divisors (see below), whose sum is σ = 27648. Its totient is φ = 3056.

The previous prime is 11489. The next prime is 11491. The reversal of 11490 is 9411.

11490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11489) and next prime (11491).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11491) 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, 162 + ... + 221.

It is an arithmetic number, because the mean of its divisors is an integer number (1728).

211490 is an apocalyptic number.

11490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11490 is an abundant number, since it is smaller than the sum of its proper divisors (16158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13824).

11490 is a wasteful number, since it uses less digits than its factorization.

11490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11490 is about 107.1914175669. The cubic root of 11490 is about 22.5652427331.

The spelling of 11490 in words is "eleven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1915 2298 3830 5745 11490