11649228 has 24 divisors (see below), whose sum is σ = 27917232. Its totient is φ = 3777984.

The previous prime is 11649227. The next prime is 11649251. The reversal of 11649228 is 82294611.

It is not an unprimeable number, because it can be changed into a prime (11649221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12675 + ... + 13562.

It is an arithmetic number, because the mean of its divisors is an integer number (1163218).

Almost surely, 2^11649228 is an apocalyptic number.

It is an amenable number.

11649228 is an abundant number, since it is smaller than the sum of its proper divisors (16268004).

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

11649228 is a wasteful number, since it uses less digits than its factorization.

11649228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26281 (or 26279 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 11649228 is about 3413.0965412657. The cubic root of 11649228 is about 226.6900100911.

The spelling of 11649228 in words is "eleven million, six hundred forty-nine thousand, two hundred twenty-eight".