11401438 has 8 divisors (see below), whose sum is σ = 17318880. Its totient is φ = 5628480.

The previous prime is 11401427. The next prime is 11401447. The reversal of 11401438 is 83410411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35923 + ... + 36238.

It is an arithmetic number, because the mean of its divisors is an integer number (2164860).

Almost surely, 2^11401438 is an apocalyptic number.

11401438 is a deficient number, since it is larger than the sum of its proper divisors (5917442).

11401438 is an equidigital number, since it uses as much as digits as its factorization.

11401438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72242.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11401438 is about 3376.6015459334. The cubic root of 11401438 is about 225.0711741909.

Adding to 11401438 its reverse (83410411), we get a palindrome (94811849).

The spelling of 11401438 in words is "eleven million, four hundred one thousand, four hundred thirty-eight".