11388834 has 12 divisors (see below), whose sum is σ = 24675846. Its totient is φ = 3796272.

The previous prime is 11388823. The next prime is 11388863. The reversal of 11388834 is 43888311.

It can be written as a sum of positive squares in only one way, i.e., 11189025 + 199809 = 3345^2 + 447^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316339 + ... + 316374.

Almost surely, 2^11388834 is an apocalyptic number.

11388834 is an abundant number, since it is smaller than the sum of its proper divisors (13287012).

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

11388834 is a wasteful number, since it uses less digits than its factorization.

11388834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632721 (or 632718 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 11388834 is about 3374.7346562360. The cubic root of 11388834 is about 224.9882067893.

The spelling of 11388834 in words is "eleven million, three hundred eighty-eight thousand, eight hundred thirty-four".