11402438 has 8 divisors (see below), whose sum is σ = 17566032. Its totient is φ = 5547096.

The previous prime is 11402431. The next prime is 11402449. The reversal of 11402438 is 83420411.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402431) 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, 76970 + ... + 77117.

It is an arithmetic number, because the mean of its divisors is an integer number (2195754).

Almost surely, 2^11402438 is an apocalyptic number.

11402438 is a deficient number, since it is larger than the sum of its proper divisors (6163594).

11402438 is a wasteful number, since it uses less digits than its factorization.

11402438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154126.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 11402438 is about 3376.7496205671. The cubic root of 11402438 is about 225.0777541970.

Adding to 11402438 its reverse (83420411), we get a palindrome (94822849).

The spelling of 11402438 in words is "eleven million, four hundred two thousand, four hundred thirty-eight".