11489990 has 8 divisors (see below), whose sum is σ = 20682000. Its totient is φ = 4595992.

The previous prime is 11489983. The next prime is 11489993. The reversal of 11489990 is 9998411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574490 + ... + 574509.

It is an arithmetic number, because the mean of its divisors is an integer number (2585250).

Almost surely, 2^11489990 is an apocalyptic number.

11489990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11489990 is a deficient number, since it is larger than the sum of its proper divisors (9192010).

11489990 is a wasteful number, since it uses less digits than its factorization.

11489990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149006.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 11489990 is about 3389.6887762743. The cubic root of 11489990 is about 225.6523618671.

The spelling of 11489990 in words is "eleven million, four hundred eighty-nine thousand, nine hundred ninety".