11409886 has 8 divisors (see below), whose sum is σ = 17859024. Its totient is φ = 5456880.

The previous prime is 11409883. The next prime is 11409887. The reversal of 11409886 is 68890411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123975 + ... + 124066.

It is an arithmetic number, because the mean of its divisors is an integer number (2232378).

Almost surely, 2^11409886 is an apocalyptic number.

11409886 is a deficient number, since it is larger than the sum of its proper divisors (6449138).

11409886 is a wasteful number, since it uses less digits than its factorization.

11409886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248066.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 11409886 is about 3377.8522762252. The cubic root of 11409886 is about 225.1267499833.

It can be divided in two parts, 1140 and 9886, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 11409886 in words is "eleven million, four hundred nine thousand, eight hundred eighty-six".