11890285 has 16 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 8482240.

The previous prime is 11890273. The next prime is 11890297. The reversal of 11890285 is 58209811.

It is an interprime number because it is at equal distance from previous prime (11890273) and next prime (11890297).

It is not a de Polignac number, because 11890285 - 2¹⁹ = 11365997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11890285.

It is a congruent number.

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, 876 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^11890285 is an apocalyptic number.

It is an amenable number.

11890285 is a deficient number, since it is larger than the sum of its proper divisors (3972755).

11890285 is a wasteful number, since it uses less digits than its factorization.

11890285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 11890285 is about 3448.2292557195. The cubic root of 11890285 is about 228.2429760702.

The spelling of 11890285 in words is "eleven million, eight hundred ninety thousand, two hundred eighty-five".