11086890 has 32 divisors (see below), whose sum is σ = 28175040. Its totient is φ = 2782464.

The previous prime is 11086883. The next prime is 11086913. The reversal of 11086890 is 9868011.

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, 10360 + ... + 11379.

It is an arithmetic number, because the mean of its divisors is an integer number (880470).

Almost surely, 2^11086890 is an apocalyptic number.

11086890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11086890 is an abundant number, since it is smaller than the sum of its proper divisors (17088150).

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

11086890 is a wasteful number, since it uses less digits than its factorization.

11086890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 11086890 is about 3329.6981845206. The cubic root of 11086890 is about 222.9820546332.

The spelling of 11086890 in words is "eleven million, eighty-six thousand, eight hundred ninety".