11604040 has 32 divisors (see below), whose sum is σ = 29839680. Its totient is φ = 3978432.

The previous prime is 11604011. The next prime is 11604059. The reversal of 11604040 is 4040611.

It is a happy number.

11604040 is a modest number, since divided by 4040 gives 1160 as remainder.

It is an unprimeable number.

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, 20442 + ... + 21001.

It is an arithmetic number, because the mean of its divisors is an integer number (932490).

Almost surely, 2^11604040 is an apocalyptic number.

11604040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11604040 is an abundant number, since it is smaller than the sum of its proper divisors (18235640).

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

11604040 is a wasteful number, since it uses less digits than its factorization.

11604040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41461 (or 41457 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11604040 is about 3406.4703139760. The cubic root of 11604040 is about 226.3965159057.

Adding to 11604040 its reverse (4040611), we get a palindrome (15644651).

The spelling of 11604040 in words is "eleven million, six hundred four thousand, forty".