11404530 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 3041136.

The previous prime is 11404529. The next prime is 11404531. The reversal of 11404530 is 3540411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11404529) and next prime (11404531).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11404531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20850 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^11404530 is an apocalyptic number.

11404530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11404530 is an abundant number, since it is smaller than the sum of its proper divisors (19008270).

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

11404530 is a wasteful number, since it uses less digits than its factorization.

11404530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42255 (or 42249 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11404530 is about 3377.0593717020. The cubic root of 11404530 is about 225.0915183256.

Adding to 11404530 its reverse (3540411), we get a palindrome (14944941).

The spelling of 11404530 in words is "eleven million, four hundred four thousand, five hundred thirty".