11049990 has 48 divisors (see below), whose sum is σ = 30853872. Its totient is φ = 2525376.

The previous prime is 11049979. The next prime is 11049991. The reversal of 11049990 is 9994011.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11049991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2289 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (642789).

Almost surely, 2^11049990 is an apocalyptic number.

11049990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11049990 is an abundant number, since it is smaller than the sum of its proper divisors (19803882).

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

11049990 is a wasteful number, since it uses less digits than its factorization.

11049990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541 (or 7534 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11049990 is about 3324.1525235765. The cubic root of 11049990 is about 222.7343992772.

The spelling of 11049990 in words is "eleven million, forty-nine thousand, nine hundred ninety".