11490390 has 32 divisors (see below), whose sum is σ = 30641760. Its totient is φ = 3064032.

The previous prime is 11490389. The next prime is 11490397. The reversal of 11490390 is 9309411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21009 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (957555).

Almost surely, 2^11490390 is an apocalyptic number.

11490390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11490390 is an abundant number, since it is smaller than the sum of its proper divisors (19151370).

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

11490390 is a wasteful number, since it uses less digits than its factorization.

11490390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573 (or 42567 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11490390 is about 3389.7477782278. The cubic root of 11490390 is about 225.6549803753.

The spelling of 11490390 in words is "eleven million, four hundred ninety thousand, three hundred ninety".