11384890 has 36 divisors (see below), whose sum is σ = 22759758. Its totient is φ = 4097280.

The previous prime is 11384873. The next prime is 11384903. The reversal of 11384890 is 9848311.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8625969 + 2758921 = 2937^2 + 1661^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 117322 + ... + 117418.

Almost surely, 2^11384890 is an apocalyptic number.

11384890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11384890 is a deficient number, since it is larger than the sum of its proper divisors (11374868).

11384890 is an equidigital number, since it uses as much as digits as its factorization.

11384890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11384890 is about 3374.1502633997. The cubic root of 11384890 is about 224.9622323439.

The spelling of 11384890 in words is "eleven million, three hundred eighty-four thousand, eight hundred ninety".