11990490 has 32 divisors (see below), whose sum is σ = 29707776. Its totient is φ = 3094080.

The previous prime is 11990483. The next prime is 11990509. The reversal of 11990490 is 9409911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5517 + ... + 7376.

It is an arithmetic number, because the mean of its divisors is an integer number (928368).

Almost surely, 2^11990490 is an apocalyptic number.

11990490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11990490 is an abundant number, since it is smaller than the sum of its proper divisors (17717286).

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

11990490 is a wasteful number, since it uses less digits than its factorization.

11990490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934.

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

The square root of 11990490 is about 3462.7286928086. The cubic root of 11990490 is about 228.8823534579.

It can be divided in two parts, 119 and 90490, that added together give a palindrome (90609).

The spelling of 11990490 in words is "eleven million, nine hundred ninety thousand, four hundred ninety".