11890190 has 16 divisors (see below), whose sum is σ = 23048928. Its totient is φ = 4390176.

The previous prime is 11890189. The next prime is 11890213. The reversal of 11890190 is 9109811.

It is a super-2 number, since 2×11890190² = 282753236472200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 45602 + ... + 45861.

It is an arithmetic number, because the mean of its divisors is an integer number (1440558).

Almost surely, 2^11890190 is an apocalyptic number.

11890190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890190 is a deficient number, since it is larger than the sum of its proper divisors (11158738).

11890190 is a wasteful number, since it uses less digits than its factorization.

11890190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91483.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 11890190 is about 3448.2154805058. The cubic root of 11890190 is about 228.2423682030.

The spelling of 11890190 in words is "eleven million, eight hundred ninety thousand, one hundred ninety".