11890230 has 64 divisors (see below), whose sum is σ = 31477248. Its totient is φ = 2850560.

The previous prime is 11890213. The next prime is 11890237. The reversal of 11890230 is 3209811.

It is a self number, because there is not a number n which added to its sum of digits gives 11890230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45079 + ... + 45341.

It is an arithmetic number, because the mean of its divisors is an integer number (491832).

Almost surely, 2^11890230 is an apocalyptic number.

11890230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11890230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15738624).

11890230 is an abundant number, since it is smaller than the sum of its proper divisors (19587018).

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

11890230 is a wasteful number, since it uses less digits than its factorization.

11890230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11890230 is about 3448.2212806025. The cubic root of 11890230 is about 228.2426241475.

The spelling of 11890230 in words is "eleven million, eight hundred ninety thousand, two hundred thirty".