11409378 has 8 divisors (see below), whose sum is σ = 22818768. Its totient is φ = 3803124.

The previous prime is 11409373. The next prime is 11409401. The reversal of 11409378 is 87390411.

It is a sphenic number, since it is the product of 3 distinct primes.

11409378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11409373) 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 3 ways as a sum of consecutive naturals, for example, 950776 + ... + 950787.

It is an arithmetic number, because the mean of its divisors is an integer number (2852346).

Almost surely, 2^11409378 is an apocalyptic number.

11409378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11409378 is a wasteful number, since it uses less digits than its factorization.

11409378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901568.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11409378 is about 3377.7770796783. Note that the first 3 decimals coincide. The cubic root of 11409378 is about 225.1234088431.

Adding to 11409378 its reverse (87390411), we get a palindrome (98799789).

The spelling of 11409378 in words is "eleven million, four hundred nine thousand, three hundred seventy-eight".