11390456 has 72 divisors (see below), whose sum is σ = 27499080. Its totient is φ = 4329600.

The previous prime is 11390453. The next prime is 11390473. The reversal of 11390456 is 65409311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 277796 + ... + 277836.

Almost surely, 2^11390456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11390456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749540).

11390456 is an abundant number, since it is smaller than the sum of its proper divisors (16108624).

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

11390456 is a wasteful number, since it uses less digits than its factorization.

11390456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11390456 is about 3374.9749628701. The cubic root of 11390456 is about 224.9988872373.

Adding to 11390456 its reverse (65409311), we get a palindrome (76799767).

The spelling of 11390456 in words is "eleven million, three hundred ninety thousand, four hundred fifty-six".