10991334 has 16 divisors (see below), whose sum is σ = 22044672. Its totient is φ = 3653448.

The previous prime is 10991327. The next prime is 10991339. The reversal of 10991334 is 43319901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10991339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (1377792).

Almost surely, 2^10991334 is an apocalyptic number.

10991334 is an abundant number, since it is smaller than the sum of its proper divisors (11053338).

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

10991334 is a wasteful number, since it uses less digits than its factorization.

10991334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 10991334 is about 3315.3180842869. The cubic root of 10991334 is about 222.3395906482.

It can be divided in two parts, 10991 and 334, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 10991334 in words is "ten million, nine hundred ninety-one thousand, three hundred thirty-four".