11488990 has 16 divisors (see below), whose sum is σ = 20761920. Its totient is φ = 4577440.

The previous prime is 11488987. The next prime is 11488993. The reversal of 11488990 is 9988411.

It is an interprime number because it is at equal distance from previous prime (11488987) and next prime (11488993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11488993) 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, 555 + ... + 4825.

It is an arithmetic number, because the mean of its divisors is an integer number (1297620).

Almost surely, 2^11488990 is an apocalyptic number.

11488990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11488990 is a deficient number, since it is larger than the sum of its proper divisors (9272930).

11488990 is a wasteful number, since it uses less digits than its factorization.

11488990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11488990 is about 3389.5412668973. The cubic root of 11488990 is about 225.6458153308.

The spelling of 11488990 in words is "eleven million, four hundred eighty-eight thousand, nine hundred ninety".