11390904 has 96 divisors (see below), whose sum is σ = 35773920. Its totient is φ = 3207168.

The previous prime is 11390887. The next prime is 11390909. The reversal of 11390904 is 40909311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48772 + ... + 49004.

It is an arithmetic number, because the mean of its divisors is an integer number (372645).

Almost surely, 2^11390904 is an apocalyptic number.

11390904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11390904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17886960).

11390904 is an abundant number, since it is smaller than the sum of its proper divisors (24383016).

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

11390904 is a wasteful number, since it uses less digits than its factorization.

11390904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 342 counting only the distinct ones).

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

The square root of 11390904 is about 3375.0413330802. The cubic root of 11390904 is about 225.0018370220.

The spelling of 11390904 in words is "eleven million, three hundred ninety thousand, nine hundred four".