11990486 has 4 divisors (see below), whose sum is σ = 17985732. Its totient is φ = 5995242.

The previous prime is 11990483. The next prime is 11990509. The reversal of 11990486 is 68409911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2997620 + ... + 2997623.

It is an arithmetic number, because the mean of its divisors is an integer number (4496433).

Almost surely, 2^11990486 is an apocalyptic number.

11990486 is a deficient number, since it is larger than the sum of its proper divisors (5995246).

11990486 is an equidigital number, since it uses as much as digits as its factorization.

11990486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995245.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 11990486 is about 3462.7281152294. The cubic root of 11990486 is about 228.8823280064.

The spelling of 11990486 in words is "eleven million, nine hundred ninety thousand, four hundred eighty-six".