11890386 has 24 divisors (see below), whose sum is σ = 26118300. Its totient is φ = 3908736.

The previous prime is 11890381. The next prime is 11890387. The reversal of 11890386 is 68309811.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 540225 = 3369^2 + 735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11890386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3211 + ... + 5838.

Almost surely, 2^11890386 is an apocalyptic number.

11890386 is an abundant number, since it is smaller than the sum of its proper divisors (14227914).

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

11890386 is a wasteful number, since it uses less digits than its factorization.

11890386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11890386 is about 3448.2439008864. The cubic root of 11890386 is about 228.2436223254.

The spelling of 11890386 in words is "eleven million, eight hundred ninety thousand, three hundred eighty-six".