11404449 has 32 divisors (see below), whose sum is σ = 19568640. Its totient is φ = 6429456.

The previous prime is 11404447. The next prime is 11404483. The reversal of 11404449 is 94440411.

It is not a de Polignac number, because 11404449 - 2¹ = 11404447 is a prime.

It is a super-2 number, since 2×11404449² = 260122913987202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11404447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15324 + ... + 16050.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^11404449 is an apocalyptic number.

It is an amenable number.

11404449 is a deficient number, since it is larger than the sum of its proper divisors (8164191).

11404449 is an equidigital number, since it uses as much as digits as its factorization.

11404449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 11404449 is about 3377.0473789984. The cubic root of 11404449 is about 225.0909854246.

The spelling of 11404449 in words is "eleven million, four hundred four thousand, four hundred forty-nine".