11649444 has 12 divisors (see below), whose sum is σ = 27182064. Its totient is φ = 3883144.

The previous prime is 11649439. The next prime is 11649461. The reversal of 11649444 is 44494611.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485382 + ... + 485405.

It is an arithmetic number, because the mean of its divisors is an integer number (2265172).

Almost surely, 2^11649444 is an apocalyptic number.

It is an amenable number.

11649444 is an abundant number, since it is smaller than the sum of its proper divisors (15532620).

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

11649444 is a wasteful number, since it uses less digits than its factorization.

11649444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970794 (or 970792 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 11649444 is about 3413.1281839392. The cubic root of 11649444 is about 226.6914111779.

The spelling of 11649444 in words is "eleven million, six hundred forty-nine thousand, four hundred forty-four".