11238742 has 16 divisors (see below), whose sum is σ = 17241120. Its totient is φ = 5493312.

The previous prime is 11238739. The next prime is 11238749. The reversal of 11238742 is 24783211.

It is a self number, because there is not a number n which added to its sum of digits gives 11238742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11238749) 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, 18028 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (1077570).

Almost surely, 2^11238742 is an apocalyptic number.

11238742 is a deficient number, since it is larger than the sum of its proper divisors (6002378).

11238742 is a wasteful number, since it uses less digits than its factorization.

11238742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its digits is 2688, while the sum is 28.

The square root of 11238742 is about 3352.4233026275. The cubic root of 11238742 is about 223.9954691898.

The spelling of 11238742 in words is "eleven million, two hundred thirty-eight thousand, seven hundred forty-two".